The fire load of underground commercial building is very large and controlling fire is difficult.
同时，地下商业建筑的火灾荷载大，且地下商业建筑的防火救火工作具有相当大的困难。
This product safety, fire retardant, no pollution, can be directly mounted in load center.
该产品安全，难燃防火，无污染，可直接安装在负荷中心。
Load module through fire warning holding wire fire-alarm and fault signal newspaper to controller.
输进模块经过火警报警旌旗灯号线将火灾及毛病旌旗灯号报至节制器。
Load module through fire warning holding wire fire-alarm and fault signal newspaper to controller.
输进模块经过火警报警旌旗灯号线将火灾及毛病旌旗灯号报至节制器。
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