3071| 10
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求大神看一下這個(gè)零件加工有困難嗎,? |
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點(diǎn)評
確實(shí),,零件看著簡單,,干起來就知道了,比較費(fèi)刀,,得用合金或鎢鋼刀干,,成本當(dāng)然高了。價(jià)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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