operational test for water fire-extinguishing system【安全】
【生活】灭火设备，消防栓的固定安排
fire-extinguishing plant, stationarily-arranged with hydrant
暂无补充释义。
相关词条
fire-extinguishing plant, automatic
production of fire-extinguishing substances
fire-extinguishing powder
fire-extinguishing foam
fire-extinguishing plant,
stationarily-arranged fire-extinguishing plant
stationarily-arranged fire-extinguishing plants with