短語(yǔ)詞組短語(yǔ)fire brigade hydrant 消火栓;消防龍頭fire line hydrant 消防龍頭Cabinet fire -hydrant 消防栓箱fire plug hydrant 消火栓fire hydrant hydrant 消火栓fire -hydrant 消火栓fire foam hydrant 消防泡沫栓fire distribution hydrant chamber 消防栓井fire distribution hydrant 消防栓 返回 fire hydrant