固定消防系统。气体灭火系统元件。第10部分：压力计和压力开关的试验方法和要求。
Fixed firefighting systems - Components for gas extinguishing systems - Part 10: requirements and test methods for pressure gauges and pressure switches.
电梯消防返回以后，消防员打下消防员专用开关，此时电梯只响应轿内一个指令，不响应所有外招指令，开关门只能点动。
When the list is in fire emergency return mode , fireman turn on the fireman-running switch the lift just response to order from the car.
针对目前配电箱开关在火灾热影响下由于脱扣机构动作引起跳闸，不能保证消防设备供电问题，经过对消防配电箱的火灾试验研究，分析了外部热源对开关动作的影响。
Releasing action of distribution boxs switches caused by heat-affection in fire will lead to tripping, thus power supply for fire equipment cant be guaranteed.
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