gudgeon pin
柯林斯词典
1. N the pin through the skirt of a piston in an internal-combustion engine, to which the little end of the connecting rod is attached 活塞销 (US and Canadian name wrist pin)[英国英语]
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1. N the pin through the skirt of a piston in an internal-combustion engine, to which the little end of the connecting rod is attached 活塞销 (US and Canadian name wrist pin)[英国英语]