Toilet Tissue Paper Making Machine siv cov ntaub ntawv pov tseg lossis cov ntaub ntoo ua cov ntaub ntawv raw, thiab cov ntawv pov tseg tsim cov ntaub ntawv nruab nrab thiab qib qis; ntoo pulp tsim cov ntawv tso quav qib siab, cov ntaub so ntswg ntawm lub ntsej muag, cov ntaub so ntswg, thiab daim ntawv napkin. Cov txheej txheem tsim cov ntaub so ntswg muaj xws li th...
Nyeem ntxiv