Peb cov ntsaws ruaj ruaj roj yog tsim hauv Suav teb. Cov roj hmab compound siv yog qhov zoo tshwj xeeb roj hmab nitrile. Tus nqi thiab tsis zoo yuav muab piv tsis tau nrog cov kev tsis sib xws.
Xa kev nug
Peb cov ntsaws ruaj ruaj roj yog tsim hauv Suav teb. Cov roj hmab compound siv yog qhov zoo tshwj xeeb roj hmab nitrile. Tus nqi thiab tsis zoo yuav muab piv tsis tau nrog cov kev tsis sib xws.