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炮筒是如何加工的 |
點(diǎn)評
對于3D打印,我一直有個(gè)疑問:1,,最終成品是毛坯還是已經(jīng)精加工件?2,,完成零件的加工無非就是銑,、車、磨,、鉆這些基本的工序,,這么說來,3D打印機(jī)葉不了這些吧,?既然這樣,,那也得換刀,跟加工中心有何區(qū)別呢,?
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