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含糊而又重要的問(wèn)題! |
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點(diǎn)評(píng)
說(shuō)的在理。圖紙標(biāo)3.2的粗糙度,車床就可以做到的,因?yàn)楣と思夹g(shù)差,做不到,非要上磨床,質(zhì)量是高了,但是價(jià)格也高啊,受不了,這是真實(shí)的案例。
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