back up supply
备用电源：指在主要电源故障或中断时提供备用电力的供应系统。
常用释义
英式发音
美式发音
基本释义
- 备用电源：指在主要电源故障或中断时提供备用电力的供应系统。
例句
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1·An entire genre of television reality shows has grown up to supply ideas for turning that pokey back room into a place of cherry wood cabinets, polished granite and brushed aluminium.一整套的电视真人秀已经成熟起来，向人们提供种种思路，将狭小的密室改造成一个满眼樱木橱柜、磨光花岗石和铮亮铝合金的世界。
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2·Saudi Arabia, the OPEC member nation with the world's largest reserves, has cut back on some of its production, thereby limiting supply and driving up prices, according to OPEC critics.据欧佩克的批评者所说，全球石油蕴藏量最大的国家、欧佩克成员沙特阿拉伯已经削减了一些石油产量，从而导致供应受限和油价攀升。
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3·The quake and tsunami cut the supply of off-site power to the plant and diesel generators intended to provide back-up electricity to the cooling system.这次强烈的地震和海啸毁坏了电厂的外部电源和以柴油为动力的后备电源。这些电源是用于和电站紧急情况下为冷却系统提供电力供应的电源。
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4·A single Maple reactor can supply the world's total current needs; the second one is a back-up to keep the supply flowing during routine repairs.只一座枫叶反应堆就能满足目前全世界所有的市场需要，另外一座可以作为后备，在第一座反应堆日常维修时也能保证正常供应生产。
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5·Once the dummies where riddled with arrows the Tang soldiers pulled them back up the walls and thus restored their supply of arrows.唐朝士兵将扎满箭的稻草人提上来，因此解决了箭的供给问题。
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6·Officials also said they were hoping that they would restore "as soon as possible" the power supply to the plant, which is needed for the cooling system and back-up generators.有官员表示他们寄希望于能够尽快恢复电站的动力供应，以便能够冷却系统和备用发电机。
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7·To our regret, we can't increase our supply for the moment as our manufacturers have so many back orders to catch up with.我们很遗憾现在不能增加供应量，因为厂方有许多过期订单要赶着完成。
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8·Power system protection work, when power lines were damaged or for other reasons the system back-up power supply is still able to work more than 24 hours, calls will be automatically recharged after.系统有断电工作保护功能，当电源线路被破坏或由于其他原因断电时系统备用电源仍能继续工作24小时以上，来电后将会自动充电。
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9·Choosing reliable and qualified suppliers and back-up suppliers, is critical to maintaining a quality supply chain operation.选择可以信赖和合格的供应商以及后备供应商，对于维护一个优质供应链运营来说是非常重要的。
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10·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。