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Koj siv cov ntaub roving nyob qhov twg?
Thaum nws los txog rau cov fiberglass reinforcements, rovings yog ib qho tseem ceeb hauv ntau yam lag luam suav nrog kev tsim kho, tsheb, marine thiab aerospace. Woven roving muaj cov fiberglass yarns txuas ntxiv woven hauv ob qho kev taw qhia, ua rau nws yog cov khoom siv zoo tagnrho rau lub zog thiab kev ywj pheej. Hauv qhov no ...Nyeem ntxiv
