短语词组短语Bolt -shoulder 铲端螺栓shoulder bolt 肩部螺丝;等高螺丝;肩螺栓;带肩镙丝with shoulder bolt 阶式螺栓FOR PRECISION SHOULDER BOLT 放置精密带肩螺栓twelve point shoulder bolt 十二角凸肩螺栓shoulder bolt hole 挂耳螺栓孔 返回 bolt shoulder