Cov hlau tsis sib xws yog hais txog cov hlau ntawm cov khoom sib txawv (xws li txhuas, tooj liab, thiab lwm yam) los yog qee yam alloys tsim los ntawm tib yam hlau yooj yim (xws li carbon steel, stainless hlau, thiab lwm yam) uas muaj qhov sib txawv tseem ceeb hauv metallurgical zog, xws li lub cev. tsim...
Nyeem ntxiv