Puas yog tungsten zoo dua li kub?
Tungstencarbide yog kwv yees li 10 npaug zog dua kub thiab 4 npaug zog dua titanium. Tsis tas li ntawd, qhov ntau tsoos thiab purer cov hlau, lub softer cov hniav nyiaj hniav kub yuav.
Puas yog tungsten zoo dua li kub?
Mar 04, 2024
Tso lus