1. Kev Taw Qhia Tus qauv no qhia txog cov ntsiab lus thiab cov ntsiab lus uas cuam tshuam nrog cov khoom siv ntxiv xws li iav fiber ntau, carbon fiber, resin, additive, molding compound thiab prepreg. Cov qauv no siv tau rau kev npaj thiab tshaj tawm cov qauv tsim nyog, ib qho ...
Nyeem ntxiv