They are widely used in rescue or telecommunication facilities as mobile back-up power supply, in industrial mining, rural areas and oil fields as temporary emergency power supply.
应用于军事、救灾抢险或电讯设施，作为机动备用电源；应用于工矿、农村和油田，作为临时应急电源。
They are widely used in rescue or telecommunication facilities as mobile back-up power supply, in industrial mining, rural areas and oil fields as temporary emergency power supply.
应用于军事、救灾抢险或电讯设施，作为机动备用电源；应用于工矿、农村和油田，作为临时应急电源。
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