hydrant valve消火栓: fire hydrant; fire cock阀门: valve; tap消火栓阀: hose valve消火栓阀杆: hydrant stem布消火栓: bxhs下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:消火栓阀门，即可在微信中查询翻译
