IG541 fire suppression laboratory and a equivalent length of pipe fittings measuring system were established .
设计并建立了IG541管道配件当量长度测量系统和IG541气体灭火实验系统。
The piping transports distance of gas fire extinguishing systems & IG541 mixture gas fire extinguishing systems
气体灭火系统管道输送距离探讨&IG541混合气体灭火系统
ig541