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直徑1.6mm孔,,孔深5mm,粗糙度0.8,,用什么方法加工,,謝謝各位指點(diǎn) |
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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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