standby emergency power supply
standby emergency power supply
备用应急电源
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Traditionally, diesel oil-based generators, storage battery, dry battery and emergency lighting equipped Ni-Cd battery are always used as standby emergency power supply.
以往经常用自备柴油发电机组、蓄电池、干电池和镍镉电池应急灯作为应急备用电源。
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