Tus kav dej ECR fiberglass ncaj rov qab rau fileament winding Cua fais fab ECR fiberglass ncaj rov qab rau cua fais fab Kev ua si ECR fiberglass ncaj rov qab rau pultrenusion Kev mus ECR-Fairdass emulsion / hmoov tws strand lev Dab da dej chav dej Fiberglass Ntau-Axial Stitched Npuag (NCF) Kev tsim kho lub tsev ECR-Fairdass emulsion / hmoov tws strand lev
