3143| 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(píng)
確實(shí),零件看著簡(jiǎn)單,,干起來(lái)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(rùn)也就越高,要不然干壞一件一天白干了。
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