iav fiber ntau (lub npe qub hauv lus Askiv: iav fiber ntau lossis fiberglass) yog cov khoom siv tsis muaj hlau tsis muaj hlau nrog kev ua haujlwm zoo.Nws muaj ntau yam zoo.Qhov zoo yog cov rwb thaiv tsev zoo, muaj zog kub tsis kam, zoo corrosion kuj, thiab siab mechanical zog, tab sis lub dis ...
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