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电缆和电线怎么区分_家居日记
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电缆和电线怎么区分

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电缆和电线怎么区分 虽然两者都是用保护外皮、绝缘皮以及线芯组合而成的，但电线的导线一般是一根或者多根，外面包裹了柔软的护层，电缆则是用一根或者多根绝缘包导线组合


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