1 I-Wheel Selection Technique yeFomu yokuSila (ngoMeyi/Juni 1986) Ukuza kuthi ga mva nje, ukugaya ngendlela yokusila kwakuqhutywa ngokukodwa ngamavili okusila anokunxitywa, aqhelekileyo abrasive.Kwiminyaka yakutshanje, iivili zeCubic Boron Nitride (CBN) ezenziwe kwangaphambili, ezifakwe ngaphambili ziye zaziswa kule operatio ...
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