问题
问答题 简答题
简述内部过电压与大气过电压的危害。
答案
参考答案：
内部过电压和大气过电压是较高的，它可能引起绝缘弱点的闪络，可能引起电气设备绝缘损坏，甚至烧坏。
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简述内部过电压与大气过电压的危害。
参考答案：
内部过电压和大气过电压是较高的，它可能引起绝缘弱点的闪络，可能引起电气设备绝缘损坏，甚至烧坏。
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| Many young people today care about the way they __1__ . They often buy “designer” clothes __2__ they think they look cool. Then the__3__ well-known companies make clothes which look the same. But they don’t sell __4__ well because they don’t have the __5__ . People __6__ think designer clothes are better made. For example, many people think the right running shoes will make you run faster or play better. Of course, this is not always 7 .It’s the 8 – not the trainers – that improves your speed or your score. 9 that’s not the point. People believe that it’s true … and then 10 the shoes. The big companies only want to make a lot of money. | ||||
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