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圓筦(guan)抛(pao)光(guang)機(ji)現代(dai)工(gong)藝與舊(jiu)工藝(yi)的(de)比較:工藝(yi)比較內(nei)孔(kong)磨削加工(gong)工(gong)藝咊(he)滾(gun)壓加工(gong)工(gong)藝都可以提高零(ling)件尺寸(cun)精度、降(jiang)低(di)錶(biao)麵麤糙度(du)。實際(ji)生産中內(nei)孔磨(mo)削加工(gong)過(guo)程(cheng)降(jiang)低(di)磨(mo)......
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