Khoom noj khoom haus
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Daim Ntawv Thov Tubes Filling Tshuab hauv cov khoom ntim khoom noj
Tube Fill Tshuab yog dav siv thiab tseem ceeb hauv kev ntim khoom noj. Nws muab cov khoom ntim zoo, meej thiab txhim khu kev qha rau cov tuam txhab tsim khoom noj. Nyob rau tib lub sijhawm, muaj cov kev cai tshwj xeeb xws li: kub-kub filling, ntau nitrogen filling, thiab lwm yam ...Nyeem ntxiv
