Yav Tom Ntej ntawm Cov Khoom Siv Ruaj Khov: Paj Rwb Ntoo
Paj rwb ntoo pulp, tseem hu ua cellulose fiber, yog ib qho ntawm cov khoom siv tshiab tshaj plaws hauv kev ua lag luam. Ua los ntawm kev sib xyaw ntawm ntoo pulp thiab paj rwb, nws tau nrov zuj zus rau nws cov khoom zoo rau ib puag ncig. Tsis yog cov khoom no tsuas yog lwj tau thiab 100% lwj tau xwb, nws...
saib cov ntsiab lus