fire smothering gas 惰性灭火气体 ; 窒火气体

fire smothering steam 灭火用窒息蒸汽

fire-smothering gas 窒息灭火气体

fire-smothering line 窒息性气体灭火管路

fire-smothering system 窒息灭火系统

fire-smothering gear 窒息性气体灭火装置

fire-smothering steam 窒息灭火用蒸汽

fire-smothering arrangement 窒息性灭火装置

Fire-smothering unit room 灭火装置室

fire -smothering unit room 窒息灭火装置室