体育场馆场地照明专用电源装置是场地应急照明关键设备之一，其核心参数是切换时间。
Special power supply for stadium and gymnasium field lighting is one of key equipments for field emergency lighting, this installation's key parameter is transfering time.
体育场馆场地照明专用电源装置是场地应急照明关键设备之一，其核心参数是切换时间。
Special power supply for stadium and gymnasium field lighting is one of key equipments for field emergency lighting, this installation's key parameter is transfering time.
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