Learn how to protect yourself—and your el…Picture this. It’s a hot summer day an…A brownout is a partial reduction in power …A blackout is an unplanned, total loss … 展开
电压限制是电网供应商采用的一种战略性和预防性策略，用于防止超载系统断电。 如果 Brownout 持续存在，它可能会缩短设计为仅 …
brown out 把灯光弄暗. black out 熄灯、停电. 两者在限电时的意思也不大相同，前者是限制用电电压，后者则是直接拉闸停电. 本回答由 …
【 Blackout 】 is a total electrical power failure over a large area. In 1965 and 1989, blackouts affected areas of New York. …
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