knuckle n.指节,蹄爪,膝关节vt.以...knuckle-duster n.指节铜套...pads knuckle 指拐垫,指节垫...aortic knuckle 注定脉弓节...knuckle screw thread 圆顶螺绞...knuckle arm 转向节臂,羊角臂...knuckle joint 铰链连接,肘形接...knuckle under 屈服...steering knuckle 转向关节...knuckle of coupler 关节联结器...knuckle pin 关节销...transition knuckle 折边...knuckle thread 圆顶螺绞...finger knuckle 指节...
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