1. Lub cev muaj zog
Hardness
Yield zog
Tensile zog
Impact toughness
2. Mechanical zog
(1) Lub zog
(2) Plasticity
(3) Hardness
(4) qaug zog
Jul 11, 2024
Tso lus
Dab tsi yog Cov Khoom Ntawm Carbon Steel?
Xa kev nug
