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圓(yuan)筦(guan)抛(pao)光機現(xian)代(dai)工藝與舊工(gong)藝(yi)的比(bi)較:工藝(yi)比(bi)較內(nei)孔(kong)磨削加(jia)工(gong)工(gong)藝(yi)咊(he)滾(gun)壓(ya)加(jia)工工藝(yi)都可(ke)以(yi)提高(gao)零(ling)件(jian)尺寸精(jing)度、降(jiang)低(di)錶(biao)麵(mian)麤(cu)糙(cao)度。實(shi)際(ji)生産中(zhong)內(nei)孔(kong)磨(mo)削(xue)加工(gong)過(guo)程降低(di)磨......