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Geomembrane yog ib qho tseem ceeb geosynthetic cov ntaub ntawv feem ntau siv los tiv thaiv cov infiltration ntawm cov kua los yog gases thiab muab ib tug barrier lub cev. Nws feem ntau yog ua los ntawm yas zaj duab xis, xws li high-density polyethylene (HDPE), low-density polyethylene (LDPE), linear low-dens ...Nyeem ntxiv»