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qqjz
三人行必有我師！
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樓主  發(fā)表于: 2015-04-21 15:06
請問(wèn)大家這兩條套管學(xué)名叫什么？謝謝了
kingplc
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1樓  發(fā)表于: 2015-04-21 17:24
電工上俗稱(chēng)“黃蠟套管”相對耐高溫的絕緣套管。

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