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發(fā)熱管如何確定縮管前的外徑? |
點(diǎn)評(píng)
具體指不出什么東西來,,我也玩這個(gè)的,,按生意說算對(duì)手,一般的對(duì)手人家不會(huì)與你說這些詳細(xì)問題,,阿拉是希望你玩好了,,提高行業(yè)整體水平,在一個(gè)高層次競(jìng)爭(zhēng),,不希望見到偽劣發(fā)熱管,,有技術(shù)問題可以探討,
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點(diǎn)評(píng)
小管子的縮機(jī)還真說不好,以前聽說無錫有,,你問一下,,我知道,我們?cè)谏馍喜粵_突,,客戶也不相同,,
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