Cov pwm graphite sintered yog siv los ua cov pwm sintered thiab scaffolds rau transistors. Siv tau rau cov hlau cam khwb cia, txhua yam hlau tsis yog ferrous pwm ruaj khov, hlau cam khwb cia, vuam hlau thermite pwm vuam, hlau tiv taus kub (titanium, zirconium, molybdenum) pwm.
Lub sijhawm tshaj tawm: Lub Ib Hlis-07-2023