发布时间:2025-01-31 12:27:12
普通短路有两种情况:①电源短路。即电流不经过任何用电器,直接由正极经过导线流回负极,容易烧坏电源。②用电器短路,也叫部分电路短路。即一根导线接在用电器的两端,此用电器被短路,容易产生烧毁其他用电器的情况。
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2025-01-31 12:27:12 2025-01-31 12:27:12求助家在南方上海93平方想铺设地暖北方人受不了上海冬天想请教铺什么样的地暖及品牌
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