Carbide tej hniav yog dab tsi? Carbide tej hniav yog ib tug txiav hniav ua los ntawm high hardness hlau hmoov (xws li tungsten, cobalt, titanium, thiab lwm yam) thiab binder (xws li cobalt, npib tsib xee, tooj liab, thiab lwm yam) tom qab sib tov los ntawm nias thiab sintering. Nws muaj hardness heev ...
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