短语词组短语bolt -up 螺栓紧固Bolt fitting -up 固定螺栓bolt pick -up 机心传感器bolt up with 遇上up bolt 紧配螺栓fitting up bolt 临时接合螺栓;姑且接合螺栓;一时接合螺栓;暂且接合螺栓fitting g up bolt 临时接合螺栓cup squend up being bolt 方头螺栓 返回 bolt up