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1．本外观设计产品的名称：内燃机用气缸体。2．本外观设计产品的用途：用作内燃机的气缸体，主要用于建设机械用发动机中。3．本外观设计的设计要点：在于产品的形状。4．最能表明设计要点的图片或者照片：立体图。1. The name of this design product: Cylinder block for internal combustion engine. 2. The purpose of this design product: used as the cylinder block of the internal combustion engine, mainly used in the construction machinery engine. 3. The design point of this design is the shape of the product. 4. The picture or photo that best shows the main points of the design: the stereogram.