5651| 19
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對(duì)有特殊要求的零件,,一般用什么材料去做 |
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點(diǎn)評(píng)
就是,,這么說的確不好判斷,而且鋁也有性能好的呀,,比方38CrMoLv,具體是需要配合使用情況的
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點(diǎn)評(píng)
春哥專業(yè)外加工,聽他的,,專業(yè)滴
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