Feem ntau, cov khoom ntawm milling cutter yog muab faib ua: 1. HSS (High Speed Steel) feem ntau hu ua high speed steel. Nta: tsis kub kub kuj, tsis tshua muaj hardness, tsis tshua muaj nqi thiab zoo toughness. Feem ntau siv nyob rau hauv xyaum, milling cutters, kais, reamers thiab ib co ...
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