Main txoj kev ntawm cov khoom siv hluav taws xob ntau zaus be

Induction cua sov nto quenching (siab zaus, nruab nrab zaus, lub zog zaus), nplaim hluav taws xob cua sov nto quenching, hluav taws xob tiv tauj cua sov nto quenching, electrolyte cua sov nto quenching, laser cua sov nto quenching, electron beam cua sov nto quenching.