片语
outfire[安全] 灭火
put out a fire灭火
fire extinction pump消防泵
Fire extinction equipments灭火设备
fire extinction equipment[安全]
fire extinction by foam泡沫灭火
fire extinction agent灭火剂
critical fire-extinction diameter临界熄火孔径
fire extinction devices灭火设备
boilers fire extinction cause锅炉灭火原因