the piston pin
活塞销
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The connecting rod little end is connected to the piston pin.
连杆小头连接着活塞销。
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The connecting rod is attached to the piston by the piston pin.
连杆与活塞的连接是采用活塞销。
The process features of the cold and warm extrusion for the piston pin have been simply compared.
简要分析了活塞销冷、温挤压工艺的特点。
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