1. Thread ọnwụ N'ozuzu, ọ na-ezo aka machining eri na workpiece na a akpụ ma ọ bụ egweri ngwá ọrụ, tumadi gụnyere mbịne, egwe ọka, tapping na threading egweri, egweri, oké ifufe ọnwụ, wdg Mgbe mbịne,-egwe ọka, na-egweri na eri, na nnyefe yinye nke igwe t ...
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