hvfox kart dej sib tw khiav, cov khoom siv tshiab, kev siv cov txheej txheem yas dov, kev sib xyaw molding.Nrog kev ua haujlwm zoo ib puag ncig, thiab tsis yooj yim rau ploj.Tsis tas li ntawd, tus nees dej muaj elasticity zoo, yog li cov nyhuv buffering tau zoo heev.Kev sib xyaw ua ke ntawm tus nees dej ca...
Nyeem ntxiv