hydrantn.给水栓;水龙头;消火栓
hydrant gate消火栓门阀
hydrant pipe消防水管
hydrant drain消火栓泄水装置
hydrant valve消防龙头阀
hydrant house消防器材房
hydrant cover消火栓盖
hydrant wrench消火栓扳手
hydrant barrel消火栓筒
hydrant system消火栓系统
hydrant nipple消火栓丝口铜出口