half built-up crank shaft
【机械工程】曲柄传动装置【机械工程】曲柄机构（曲柄传动装置）
crank mechanism (crank gearing)
暂无补充释义。
相关词条
crank-pin, resilient
eccentric press, hinged press, crank press
crank-operated chain tackle
hand crank
crank-operated steel roof
bell crank
crank throw