1, Tungsten thiab cobalt carbide Qib muaj YG thiab qhov nruab nrab feem pua ntawm cov ntsiab lus cobalt.Tungsten cobalt carbide tuaj yeem siv los txiav cov hlau, cov hlau tsis muaj hlau thiab cov khoom tsis yog hlau, thiab tseem tuaj yeem siv ua tensile tuag, txias xuas nrig ntaus tuag, nozzles, rollers, sab saum toj rauj, ntsuas ...
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