knucklen.指关节;膝关节;肘形接头;铰链连接v.以指节压;屈从;开始努力工作
knuckle strake折角列板
knuckle center万向接头十字轴
knuckle thread圆螺纹
knuckle-bone腕骨
knuckle centre万向接头十字轴
knucklegearingn.圆齿齿轮装置
knuckle baller不旋转球投手
knuckle washer关节垫圈
knuckle bushing关节衬套
knuckle arm key关节臂键