樓主: Frankdechao
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含糊而又重要的問題,! |
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點評
說的在理,。圖紙標3.2的粗糙度,,車床就可以做到的,因為工人技術差,,做不到,,非要上磨床,質(zhì)量是高了,,但是價格也高啊,,受不了,這是真實的案例,。
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