2915| 3
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材料Q235 的零件車(chē)完后銑齒時(shí)發(fā)現(xiàn)硬度有點(diǎn)大 |
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點(diǎn)評(píng)
好的,,謝謝,我們做機(jī)械加工,,料是采購(gòu)進(jìn)的,,Q235發(fā)黑之后很難去除顏色是吧?其實(shí)本來(lái)這個(gè)零件裝在設(shè)備內(nèi)部,,搞質(zhì)量的扣著不放,。。,。
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