Geomembrane yog cov khoom siv tshwj xeeb siv rau engineering waterproofing, anti-seepage, anti-corrosion, thiab anti-corrosion, feem ntau yog ua los ntawm cov ntaub ntawv siab polymer xws li polyethylene thiab polypropylene. Nws muaj cov yam ntxwv ntawm qhov kub thiab txias, tiv thaiv kev laus, ultraviolet resis ...
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