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(en)
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Rotary bit
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(en)
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Twist drill
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Independent analyses of cutting and friction forces applied on a single polycrystalline diamond compact cutter |
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超硬合金ボデイ−
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(zh)
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一种强化心部破岩能力的复合钻头
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Botão de broca de rocha
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Li et al.
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Wear and abnormal fracture failure mechanisms of alloy teeth in TBM insert tooth disc cutters |
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(en)
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Earth-boring bit having cobalt/tungsten carbide inserts
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Долото для вращательного бурения
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(en)
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Rock drill bit assembly
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Oliveira et al.
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Unique hybrid drill bit with novel PDC cutters improves performance in ultra-deepwater Brazil pre-salt application |
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(en)
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Rock drill bit
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(en)
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Drill
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Mellor
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Mechanics of Cutting and Boring: Kinematics of axial rotation machines |
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(en)
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Cable tool reamer
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Summers et al.
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Water jet drilling in sandstone and granite |
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(en)
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Rock drill
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Самозатачивающийс бур
|
Cardu et al.
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An analysis of metal wear in rock excavation by TBM |
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(en)
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Rock drilling tool
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(en)
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Rock drill
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Stossbohrkrone mit mindestens zwei Hartmetallschneideinsätzen.
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Miyazaki et al.
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Effects of Rock Properties on Bit Wear in Percussion Drilling of Granite |