Tej yam khoom siv ntawm cov tshuaj ntim tshuaj nyob rau hauv daim ntawv thov blister
Dec 04, 2022
Tso lus
Cov khoom ntim yuav tsum muaj peev xwm tiv thaiv cov khoom zoo. Yog li ntawd, nws yuav tsum muaj qee lub zog, toughness thiab elasticity kom hloov mus rau qhov cuam tshuam ntawm cov yam ntxwv zoo li qub thiab muaj zog xws li siab, poob siab thiab kev co.
