fire extinguishing systems 灭火系统
fixed extinguishing systems 固定式灭火系统
water monitor extinguishing systems 水炮系统
fixed fire monitor extinguishing systems 固定消防炮灭火系统 ; 固定
halocarbon extinguishing systems 卤代烷灭火系统
proof test for fire-extinguishing systems 消防系统效用试验
powder monitor extinguishing systems 干粉炮系统
dry-powder fire extinguishing systems 干粉灭火系统
gas extinguishing systems 气体灭火系统
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