短语词组短语screw threaded rod 螺纹杆Screw -rod reset 钉棒复位screw drill rod 螺杆钻杆screw -rod lathe 丝杆车床screw push rod hub 推杆夹紧螺栓screw w rod 丝杠Absorbable screw and rod 可吸收螺钉;可吸收钉棒 返回 screw rod