Lub ntiaj teb pob zeb zeb nyob rau hauv kev ua lag luam feem ntau yog ua los ntawm cov ntaub ntawv hauv qab no: agate, ceramic, zirconia, stainless hlau, tungsten carbide, nylon, PTFE, silicon nitride, thiab lwm yam tungsten carbide pob zeb hub, los yog tungsten carbide hub, thiab lwm yam ...
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