Qhov txwv tawg rau cov khoom no nyob nruab nrab ntawm 2% thiab 3%.
Thaum qhov kev txwv no mus txog, raug cov nplaim taws yuav ua rau muaj kev tawg.
Qhov txwv tawg rau cov khoom no nyob nruab nrab ntawm 2% thiab 3%.
Thaum qhov kev txwv no mus txog, raug cov nplaim taws yuav ua rau muaj kev tawg.
Ua ntej: Kev tawg txwv ntau ntawm Butadiene
Tom ntej no: Raws li qhov xwm txheej yuav Kerosene tawg