crankpin bush曲柄销衬套
crankpin door曲柄箱道门
crankpin bearings曲柄箱轴承
crankpin angle曲柄销配置角度
crankpin path曲柄圆
crankpin roller曲柄销滚柱
crankpin end连杆大头
hollow crankpin空心连杆轴颈
crankpin bearing连杆轴瓦;曲柄销轴承;曲柄销承
N（名词） a short cylindrical bearing surface fitted between two arms of a crank and set parallel to the main shaft of the crankshaft 曲柄销