Txhawm rau txhim kho qee yam khoom ntawm cov hlau thiab yog li tau txais qee cov khoom tshwj xeeb hauv cov txheej txheem smelting txhob txwm ntxiv cov ntsiab lus hu ua alloying ntsiab.Cov ntsiab lus alloying feem ntau yog chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, silicon, ...
Nyeem ntxiv