Cov yam ntxwv ntawm semi aniline tawv
Jul 07, 2023
Tso lus
Cov khoom siv raw ntawm hom tawv no muaj qee qhov tab sis qhov chaw ntiav heev ntawm cov nplej saum npoo. Txhawm rau npog qhov tsis xws luag thaum khaws cov qauv ntawm cov tawv nqaij, ib qho me me ntawm cov xim thiab cov nplaum hluavtaws hluavtaws thiab cov xim yuav tsum tau siv los maj mam txau thiab xim tawv, tsim ib txheej txheej txheej nrog nyias txheej, ua cov nplej. qauv ntawm tawv nto indistinct.