短語詞組短語fire barrier cock 消防鏇塞fire cock extinguishing system 消火栓滅火系統(tǒng)fire cock system 消火栓系統(tǒng)outdoor fire cock 室外消火栓fire cock button 消火栓按鈕engine fire shut -off cock 發(fā)電機滅火開關 返回 fire cock