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請(qǐng)教數(shù)車高手,內(nèi)孔里面的端面上的一個(gè)小臺(tái)階如何加工? |
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小黑屋|手機(jī)版|Archiver|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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