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樓主  發(fā)表于: 2018-06-25 12:54
發(fā)熱管已知要求功率為750w和發(fā)熱管長(cháng)度，怎么確定打樣的發(fā)熱絲長(cháng)度和規格以及所需的發(fā)熱管長(cháng)度呢，新人入門(mén)，自己弄了半天了，還是不懂，套公式也套不出來(lái)，求各位大神幫幫忙，誠心求解，可紅包答謝。
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1樓  發(fā)表于: 2018-06-25 14:48
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