3072| 10
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求大神看一下這個零件加工有困難嗎,? |
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點評
確實,,零件看著簡單,干起來就知道了,,比較費刀,,得用合金或鎢鋼刀干,成本當(dāng)然高了,。價值越高利潤也就越高,,要不然干壞一件一天白干了,。
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