A na-agbanwe agbanwe
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A na-agbanwe agbanwe, gụnyere PIV / Rolver ụdị dị iche iche na-agbanwe agbanwe
Ọrụ: Mgbe ntinye ntinye na-edobe Stybler Mpụta Rubluting Speed.products na-eme nke elu alloy nchara elu. A na-akụ efere ndị ahụ na-akụ site na teknụzụ ụgha. PIN, a na-eji osisi, a na-ejikarị rolter site na akụrụngwa akpaka akụrụngwa na akụrụngwa akpaka, mgbe ahụ site na ọgwụgwọ nke carburtization, carbon na nitrogen na nitrogen na nitrogen na nitrogen na nitrogen na nitrogen ga-egbu egbu, na-eme ka ọ dị ọkụ na-enwu, na nitrogen na-enwu ọkụ.