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PEVA seam sealing daim kab xev rau cov khaub ncaws pov tseg pov tseg
Cov khoom no yog peb cov khoom lag luam zoo tshaj plaws txij li kev sib kis thoob ntiaj teb COVID-19 nyob rau xyoo 2020. Nws yog hom PEVA cov dej tsis huv ua los ntawm cov khoom sib txuas, uas yog siv rau kev kho dej tsis huv ntawm qhov nqaws ntawm kev tiv thaiv cov khaub ncaws.Tej zaum peb ua qhov dav 1.8 cm thiab 2cm, tuab 170 micron. Piv ...
