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請(qǐng)教,鑄造件上的毛坯軸承孔是不是 經(jīng)常用來(lái)當(dāng)作粗基準(zhǔn)用來(lái)加工平面 |
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Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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