14884| 21
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軸套的表面光潔度0.4怎么做,求高人 |
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點(diǎn)評(píng)
這都啥年代的東西了,落伍了。現(xiàn)在好點(diǎn)的車床加工Ra0.8以內(nèi)的小菜一碟。Ra0.4的就是刀具耗一點(diǎn),但是綜合成本也比磨低。
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