CN105675367B - A kind of sample pre-treatments system - Google Patents
A kind of sample pre-treatments system Download PDFInfo
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- CN105675367B CN105675367B CN201610150031.4A CN201610150031A CN105675367B CN 105675367 B CN105675367 B CN 105675367B CN 201610150031 A CN201610150031 A CN 201610150031A CN 105675367 B CN105675367 B CN 105675367B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4044—Concentrating samples by chemical techniques; Digestion; Chemical decomposition
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of sample pre-treatments systems, comprising: host, solvent adding module and sample introduction module.Host is provided with the heating module of fixed sample tube;Solvent adding module is for adding reagent to sample tube;Sample introduction module is for adjusting solvent adding module position.Sample introduction module includes: two X-axis support arms, X-axis frame, X-axis inner slide, X-axis outer slide, the first driving assembly, two Y-axis sliding rails and the second driving assembly;Two Y-axis sliding rails are arranged in host two sides;Two X-axis support arms are slidably arranged in respectively on Y-axis sliding rail, and the second driving assembly can drive two X-axis support arms to slide along Y-axis sliding rail;The both ends of X-axis frame are separately fixed on two X-axis support arms;X-axis inner slide is slidably arranged in the sliding slot of X-axis lower portion.The sample pre-treatments system realize internal system transmission system and the external world it is completely isolated, to avoid being corroded, reduce failure rate, while guaranteeing constant volume precision accuracy.
Description
Technical field
The present invention relates to experimental instrument technology, in particular to a kind of sample pre-treatments system.
Background technique
Resolution is called wet digesting, is with acid solution or lye and the organic matter in destruction sample or reduction in a heated condition
The method of property substance.Existing digestion procedure is usually three kinds: heating board digestion, micro-wave digestion and graphite resolution;Wherein electric hot plate
Resolution is the digestion procedure being accomplished manually entirely;Micro-wave digestion needs that quantitative solvent and sample are put into closed digestion tank simultaneously in advance
In, it places into microwave dissolver and is cleared up;Graphite resolution is divided into manual and two kinds full-automatic, manual graphite resolution principle and electricity
Hot plate resolution is identical, and full-automatic graphite resolution can be with controlling heating temperature, time, addition solvent kind according to the experimental method of setting
Multiple variables such as class and volume, to be automatically performed resolution.
Existing full-automatic graphite resolution instrument (or sample pre-treatments system) be usually by heating system, solvent add-on system,
Jacking system, concussion system etc. are module integrated together.It is the corrosion solvent such as strong acid and strong base as used in resolution experiment,
Instrument itself can be caused to corrode, and existing solution causes corrosive gas since transmission system can not accomplish totally-enclosed
It penetrates into, easily causes the not corrosion-resistant component damage of instrument internal.
Sample pre-treatments system in the prior art causes corrosive gas to seep since transmission system can not accomplish totally-enclosed
Enter, easily causes the not corrosion-resistant component damage of instrument internal.Meanwhile wherein Y-axis one end is fixed on X-axis respective slide,
The other end be it is hanging, after long-time use, due to corroding and wearing, it is unbalance (i.e. free end sinking) to will lead to Y-axis horizontal direction,
Due to act on the solvent add-on system on Y-axis need ultrasonic sensor according to it is vertically opposite apart from constant volume addition solvent it
Volume unbalance will lead to constant volume accuracy decline so above-mentioned.
Summary of the invention
A kind of sample pre-treatments system provided by the present application, solves or part solves sample pre-treatments in the prior art
The transmission device of system can not be accomplished to be fully sealed in mechanical arm stroke range, and internal system still will receive corrosion, meanwhile, by
The technical issues of in corrosion and abrasion, it is unbalance (i.e. free end sinking) to will lead to Y-axis horizontal direction, leads to constant volume accuracy decline,
Transmission system and the external world for realizing internal system are completely isolated, to avoid being corroded, reduce failure rate, while guaranteeing to determine
Hold the technical effect of precision accuracy.
This application provides a kind of sample pre-treatments systems, comprising:
Host is provided with the heating module of fixed sample tube;
Solvent adding module, for adding reagent to the sample tube;
Sample introduction module, for adjusting solvent adding module position;The sample introduction module includes: two X-axis support arms, X
Axis frame, X-axis inner slide, X-axis outer slide, the first driving assembly, two Y-axis sliding rails and the second driving assembly;
Two Y-axis sliding rails are arranged in the host two sides;
Two X-axis support arms are slidably arranged in respectively on the Y-axis sliding rail, and second driving assembly can drive two
A X-axis support arm slides along the Y-axis sliding rail;
X-axis frame, both ends are separately fixed on two X-axis support arms;The closed cunning of setting in the X-axis frame
Slot;
X-axis inner slide is slidably arranged in the sliding slot of the X-axis lower portion;The X-axis inner slide is fixed with the first magnetic
Property component;First driving assembly can drive the X-axis inner slide to slide in the sliding slot;
X-axis outer slide is movably arranged on outside the X-axis frame;The X-axis outer slide is fixed with the second magnetic part;
The X-axis inner slide is fixed with the X-axis outer slide by magnetic connection;The X-axis outer slide and the solvent adding module
It is fixedly connected.
Preferably, the X-axis frame is aluminum alloy square tube;
The X-axis inner slide is arranged in the inner hole of the aluminum alloy square tube;
First magnetic part and second magnetic part are high-strength magnet, first magnetic part and described the
Magnetic force energy between two magnetic parts drives the X-axis outer slide that the X-axis inner slide is followed to slide.
Preferably, first driving assembly includes:
First stepper motor is fixed on inside the X-axis support arm;
Two the first synchronous pulleys are separately positioned on X-axis frame both ends, one of them described first synchronous pulley with
The output shaft of first stepper motor is fixedly connected;
First synchronous belt is arranged in the sliding slot in the X-axis frame, and is set on first synchronous pulley;
Wherein, the X-axis inner slide is fixed on first synchronous belt, follows first synchronous belt in the sliding slot
Inside do straight reciprocating motion.
Preferably, second driving assembly includes:
Second stepper motor is fixed on inside the Y-axis sliding rail;
Two the second synchronous pulleys are provided respectively therein the both ends of a Y-axis sliding rail, one of them described second
Synchronous pulley is fixedly connected with the output shaft of the second stepper motor;
Second synchronous belt is set on two second synchronous pulleys;
Wherein, the X-axis support arm is fixed on second synchronous belt, follows second synchronous belt along the Y-axis
Sliding rail does straight reciprocating motion.
Preferably, the heating module is the graphite block for being provided with accommodating hole, the sample tube is placed on the appearance
It sets in hole;The graphite block bottom attaches silica gel heating film, wraps up after quartzy heat-preservation cotton integrally as in aluminium casing, the aluminium
Quartzy heat-preservation cotton is attached outside shell processed;
The host further includes concussion module;
The concussion module includes: DC speed-reducing, eccentric shaft and concussion plate;The output end of the DC speed-reducing
It is fixedly connected with the eccentric shaft;The concussion plate is fixedly connected with the eccentric shaft and the heating module.
Preferably, the host further includes lifting module;The lifting module include: hoistable platform, elevating mechanism and
Rack for test tube;
The hoistable platform is rectangular frame structure, is set in outside the heating module;The hoistable platform and the liter
Descending mechanism connection;
The elevating mechanism is that the driving of screw rod stepper motor intersects scissors-type lifting;
The bottom leg of the rack for test tube is arranged on the hoistable platform, and the sample tube is placed on the rack for test tube
On;
Wherein, the elevating mechanism drives the hoistable platform to rise or fall, and the rack for test tube is driven to rise or fall,
The sample tube is set to be detached from or enter the accommodating hole of the heating module.
Preferably, the sample pre-treatments system further include: circuit control module;The circuit control module includes:
Main control board, setting is on the host;The main control board and first driving assembly and described the
The driving circuit of two driving assemblies connects, and can control the on-off of the driving circuit;
Temperature-controlled member, setting on the host, connect with the heater circuit of the heating module, are adjustable the heating
The set temperature of module and the Current Temperatures for showing the heating module.
Preferably, the solvent adding module includes:
Reagent reservoir part is fixedly connected with the X-axis outer slide;
First liquid-feeding tube is connect with the reagent reservoir part;
Peristaltic pump is arranged on first liquid-feeding tube;
Second liquid-feeding tube is connect with the reagent reservoir part;
Syringe pump is arranged on second liquid-feeding tube;
Ultrasonic sensor, the constant volume for the addition reagent.
One or more technical solutions provided herein, have at least the following technical effects or advantages:
X-axis inner slide is slidably arranged in the sliding slot in X-axis frame due to using, X-axis outer slide is slided and is arranged
In the outside of X-axis frame, driving assembly driving X-axis inner slide does straight reciprocating motion in sliding slot, and then drives X-axis outer slide
And solvent adding module does straight reciprocating motion, realizes the movement of solvent adding module X axis, meanwhile, it is sliding by setting Y-axis
Rail slides X-axis support arm along Y-axis sliding rail by the second driving assembly, realizes the movement of solvent adding module Y-axis.In this way,
Efficiently solve sample pre-treatments system in the prior art transmission device can not accomplish in mechanical arm stroke range completely it is close
Envelope, internal system still will receive corrosion, simultaneously as corrosion and wear, it is unbalance (i.e. under free end to will lead to Y-axis horizontal direction
It is heavy), the technical issues of leading to constant volume accuracy decline, transmission system and the external world for realizing internal system are completely isolated, to keep away
From reducing failure rate to corrosion, while guaranteeing the technical effect of constant volume precision accuracy.
Detailed description of the invention
Fig. 1 is the structural front view of sample pre-treatments system provided in an embodiment of the present invention;
Fig. 2 is the structure top view of sample pre-treatments system provided in an embodiment of the present invention;
Fig. 3 is the structure left view of sample pre-treatments system provided in an embodiment of the present invention;
Fig. 4 is the configuration diagram of solvent adding module in Fig. 1.
(component that each label represents in diagram successively are as follows: 1 host, 2Y axis sliding rail, 3X axis support arm, 4 circuit control moulds
Block, 5X axis outer slide, 6 syringe pumps, 7 peristaltic pumps, 8 temperature-controlled members)
Specific embodiment
A kind of sample pre-treatments system provided by the embodiments of the present application, solves or part solves sample in the prior art
The transmission device of preprocessing system can not be accomplished to be fully sealed in mechanical arm stroke range, and internal system still will receive corrosion,
Simultaneously as corrosion and abrasion, it is unbalance (i.e. free end sinking) to will lead to Y-axis horizontal direction, leads to the skill of constant volume accuracy decline
Art problem, by the way that two X-axis support arms, X-axis frame, X-axis inner slide, X-axis outer slide, the first driving assembly, two Y-axis sliding rails are arranged
And second driving assembly, transmission system and the external world for realizing internal system are completely isolated, to avoid being corroded, reduce therefore
Barrier rate, while guaranteeing the technical effect of constant volume precision accuracy.
Referring to attached Fig. 1 and 2, this application provides a kind of sample pre-treatments systems, comprising: host 1, solvent adding module and
Sample introduction module.Host 1 is provided with the heating module of fixed sample tube;Solvent adding module is tried for adding reagent to sample
Pipe;Sample introduction module is for adjusting solvent adding module position.
Sample introduction module include: two X-axis support arms 3, X-axis frame, X-axis inner slide, X-axis outer slide 5, the first driving assembly,
Two Y-axis sliding rails 2 and the second driving assembly.
Two Y-axis sliding rails 2 are arranged in 1 two sides of host;Two X-axis support arms 3 are slidably arranged in respectively on Y-axis sliding rail 2, the
Two driving assemblies can drive two X-axis support arms 3 to slide along Y-axis sliding rail 2.The both ends of X-axis frame are separately fixed at two X-axis branch
In brace 3;The closed sliding slot of setting in X-axis frame.X-axis inner slide is slidably arranged in the sliding slot of X-axis lower portion;In X-axis
Sliding block is fixed with the first magnetic part;First driving assembly can drive X-axis inner slide to slide in sliding slot.5 activity of X-axis outer slide
It is arranged outside X-axis frame;X-axis outer slide 5 is fixed with the second magnetic part;X-axis inner slide and X-axis outer slide 5 pass through magnetic force
It is connected and fixed;X-axis outer slide 5 is fixedly connected with solvent adding module.
Further, X-axis frame is aluminum alloy square tube;X-axis inner slide is arranged in the inner hole of aluminum alloy square tube.First magnetic
Property component and the second magnetic part be high-strength magnet, magnetic force energy between the first magnetic part and the second magnetic part drives X-axis
Outer slide 5 follows X-axis inner slide to slide.
Wherein, which is made by way of being connected between X-axis inner slide and X-axis outer slide 5 with high-strength magnet
The transmission system of the first stepper motor, the first synchronous pulley, the first synchronous belt composition inside the preprocessing system and the external world are complete
Full isolation reduces failure rate to avoid being corroded.
Further, the first driving assembly includes: the first stepper motor, two the first synchronous pulleys and the first synchronous belt.
First stepper motor is fixed on inside X-axis support arm 3.Two the first synchronous pulleys are separately positioned on X-axis frame both ends, wherein one
A first synchronous pulley is fixedly connected with the output shaft of the first stepper motor.The sliding slot in X-axis frame is arranged in first synchronous belt
In, and be set on the first synchronous pulley.
Wherein, X-axis inner slide is fixed on the first synchronous belt, and the first synchronous belt is followed to do linear reciprocation fortune in sliding slot
It is dynamic.
Further, the second driving assembly includes: second stepper motor, two the second synchronous pulleys and the second synchronous belt.
Second stepper motor is fixed on inside Y-axis sliding rail 2.Two the second synchronous pulleys are provided respectively therein the two of a Y-axis sliding rail 2
End, one of them second synchronous pulley are fixedly connected with the output shaft of second stepper motor.Second synchronous belt is set in two
On two synchronous pulleys.
Wherein, X-axis support arm 3 is fixed on the second synchronous belt, and the second synchronous belt is followed to do linear reciprocation along Y-axis sliding rail 2
Movement.
Further, referring to attached drawing 2, heating module is the graphite block for being provided with accommodating hole, and sample tube is placed on accommodating
In hole;Graphite block bottom attaches silica gel heating film, wraps up after quartzy heat-preservation cotton integrally as in aluminium casing, aluminium casing outer patch
Pay quartzy heat-preservation cotton.
Host 1 further includes concussion module;Concussion module includes: DC speed-reducing, eccentric shaft and concussion plate.Direct current slows down
The output end of motor is fixedly connected with eccentric shaft;Concussion plate is fixedly connected with the host panel of eccentric shaft and heating module.
Further, host 1 further includes lifting module;Going up and down module includes: hoistable platform, elevating mechanism and rack for test tube.
Hoistable platform is rectangular frame structure, is set in outside heating module;Hoistable platform is connect with elevating mechanism;Elevator
Structure is that the driving of screw rod stepper motor intersects scissors-type lifting.The bottom leg of rack for test tube is arranged on hoistable platform, sample examination
Pipe is placed on rack for test tube.
Wherein, elevating mechanism driving hoistable platform rises or falls, and rack for test tube is driven to rise or fall, and keeps sample tube de-
From or enter heating module accommodating hole.
Further, referring to attached drawing 3, sample pre-treatments system further include: circuit control module 4;Circuit control module 4 wraps
It includes: main control board and temperature-controlled member.
Main control board is arranged on host 1;The driving of main control board and the first driving assembly and the second driving assembly
Circuit connection can control the on-off of driving circuit.Temperature-controlled member is arranged on host 1, connects with the heater circuit of heating module
It connects, be adjustable the set temperature of heating module and show the Current Temperatures of heating module.
Referring to attached drawing 1 and 4, further, solvent adding module includes: reagent reservoir part, the first liquid-feeding tube, peristaltic pump
7, the second liquid-feeding tube, syringe pump 6 and ultrasonic sensor.Reagent reservoir part is fixedly connected with X-axis outer slide 5;First adds
Liquid pipe is connect with reagent reservoir part;Peristaltic pump 7 is arranged on the first liquid-feeding tube;Second liquid-feeding tube and reagent reservoir part connect
It connects;Syringe pump 6 is arranged on the second liquid-feeding tube.Ultrasonic sensor is used to add the constant volume of reagent, according to vertically opposite
Volume apart from constant volume addition reagent.
One or more technical solutions provided herein, have at least the following technical effects or advantages:
X-axis inner slide is slidably arranged in the sliding slot in X-axis frame due to using, X-axis outer slide 5 is slided and is arranged
In the outside of X-axis frame, driving assembly driving X-axis inner slide does straight reciprocating motion in sliding slot, and then drives X-axis outer slide
5 and solvent adding module do straight reciprocating motion, realize the movement of solvent adding module X axis, meanwhile, it is sliding to pass through setting Y-axis
Rail 2 slides X-axis support arm 3 along Y-axis sliding rail 2 by the second driving assembly, realizes the movement of solvent adding module Y-axis.This
Sample, the transmission device for efficiently solving sample pre-treatments system in the prior art can not be accomplished completely in mechanical arm stroke range
Sealing, internal system still will receive corrosion, simultaneously as corrosion and abrasion, will lead to unbalance (the i.e. free end of Y-axis horizontal direction
Sink), the technical issues of leading to constant volume accuracy decline, transmission system and the external world for realizing internal system are completely isolated, thus
It avoids being corroded, reduces failure rate, while guaranteeing the technical effect of constant volume precision accuracy.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (5)
1. a kind of sample pre-treatments system, which is characterized in that the sample pre-treatments system includes:
Host is provided with the heating module of fixed sample tube;
Solvent adding module, for adding reagent to the sample tube;
Sample introduction module, for adjusting solvent adding module position;The sample introduction module includes: two X-axis support arms, X-axis frame
Frame, X-axis inner slide, X-axis outer slide, the first driving assembly, two Y-axis sliding rails and the second driving assembly;
Two Y-axis sliding rails are arranged in the host two sides;
Two X-axis support arms are slidably arranged in respectively on the Y-axis sliding rail, and second driving assembly can drive two institutes
X-axis support arm is stated to slide along the Y-axis sliding rail;
X-axis frame, both ends are separately fixed on two X-axis support arms;The closed sliding slot of setting in the X-axis frame;
X-axis inner slide is slidably arranged in the sliding slot of the X-axis lower portion;The X-axis inner slide is fixed with the first magnetic portion
Part;First driving assembly can drive the X-axis inner slide to slide in the sliding slot;
X-axis outer slide is movably arranged on outside the X-axis frame;The X-axis outer slide is fixed with the second magnetic part;The X
Axis inner slide is fixed with the X-axis outer slide by magnetic connection;The X-axis outer slide and the fixed company of the solvent adding module
It connects;
The X-axis frame is aluminum alloy square tube;
The X-axis inner slide is arranged in the inner hole of the aluminum alloy square tube;
First magnetic part and second magnetic part are high-strength magnet, first magnetic part and second magnetic
Property component between magnetic force energy drive the X-axis outer slide that the X-axis inner slide is followed to slide;
First driving assembly includes:
First stepper motor is fixed on inside the X-axis support arm;
Two the first synchronous pulleys are separately positioned on X-axis frame both ends, one of them described first synchronous pulley with it is described
The output shaft of first stepper motor is fixedly connected;
First synchronous belt is arranged in the sliding slot in the X-axis frame, and is set on first synchronous pulley;
Wherein, the X-axis inner slide is fixed on first synchronous belt, and first synchronous belt is followed to do in the sliding slot
Straight reciprocating motion;
Second driving assembly includes:
Second stepper motor is fixed on inside the Y-axis sliding rail;
Two the second synchronous pulleys are provided respectively therein the both ends of a Y-axis sliding rail, one of them described second synchronization
Belt wheel is fixedly connected with the output shaft of the second stepper motor;
Second synchronous belt is set on two second synchronous pulleys;
Wherein, the X-axis support arm is fixed on second synchronous belt, follows second synchronous belt along the Y-axis sliding rail
Do straight reciprocating motion.
2. sample pre-treatments system as described in claim 1, which is characterized in that
The heating module is the graphite block for being provided with accommodating hole, and the sample tube is placed in the accommodating hole;The stone
Ink stick bottom attaches silica gel heating film, wraps up after quartzy heat-preservation cotton integrally as in aluminium casing, attaches outside the aluminium casing
Quartzy heat-preservation cotton;
The host further includes concussion module;
The concussion module includes: DC speed-reducing, eccentric shaft and concussion plate;The output end of the DC speed-reducing and institute
Eccentric shaft is stated to be fixedly connected;The concussion plate is fixedly connected with the eccentric shaft and the heating module.
3. sample pre-treatments system as claimed in claim 2, which is characterized in that
The host further includes lifting module;The lifting module includes: hoistable platform, elevating mechanism and rack for test tube;
The hoistable platform is rectangular frame structure, is set in outside the heating module;The hoistable platform and the elevator
Structure connection;
The elevating mechanism is that the driving of screw rod stepper motor intersects scissors-type lifting;
The bottom leg of the rack for test tube is arranged on the hoistable platform, and the sample tube is placed on the rack for test tube;
Wherein, the elevating mechanism drives the hoistable platform to rise or fall, and drives the rack for test tube to rise or fall, makes institute
State the accommodating hole that sample tube is detached from or enters the heating module.
4. sample pre-treatments system as described in claim 1, which is characterized in that the sample pre-treatments system further include: electricity
Road control module;The circuit control module includes:
Main control board, setting is on the host;The main control board and first driving assembly and second drive
The driving circuit connection of dynamic component, can control the on-off of the driving circuit;
Temperature-controlled member, setting on the host, connect with the heater circuit of the heating module, are adjustable the heating module
Set temperature and show the Current Temperatures of the heating module.
5. sample pre-treatments system as described in claim 1, which is characterized in that the solvent adding module includes:
Reagent reservoir part is fixedly connected with the X-axis outer slide;
First liquid-feeding tube is connect with the reagent reservoir part;
Peristaltic pump is arranged on first liquid-feeding tube;
Second liquid-feeding tube is connect with the reagent reservoir part;
Syringe pump is arranged on second liquid-feeding tube;
Ultrasonic sensor, the constant volume for the addition reagent.
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CN103900886B (en) * | 2014-04-22 | 2016-06-15 | 西安科技大学 | The filling slurry flowing deposition rule even filling system of test slip and method |
CN204036453U (en) * | 2014-06-26 | 2014-12-24 | 天津德科电子技术开发有限公司 | The counteract appearance manipulator of state monitoring apparatus cleared up by a kind of new automatic band |
CN104849132B (en) * | 2015-05-30 | 2018-06-15 | 济南盛泰电子科技有限公司 | Sour instrument is caught up in a kind of resolution |
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