Usoro nhazi eri dị iche iche, n'ezie nke ọ bụla n'ime th ...
Eriri ọnwụ Ọ n'ozuzu na-ezo aka na usoro nke nhazi eri na workpiece na-akpụ ngwá ọrụ ma ọ bụ abrasives, tumadi mbịne, egwe ọka, ọpịpị, threading, egweri, lapping na cyclone ọnwụ. Mgbe ị na-atụgharị, igwe-egwe ọka na egwu egwu...
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