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wzd123456
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樓主  發(fā)表于: 2015-09-10 09:38
化工廠(chǎng)用電纜為什么都用塑套電纜而不用橡套電纜（防水線(xiàn)）請知道原因的大俠指教。
lqm003
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1樓  發(fā)表于: 2015-09-10 12:05
耐腐蝕是首要指標，再就是大負荷。
于英劍

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