Lub Yim Hli 7, 2024
Tus nqi tshiab ntawm cov khoom khov-kua anhydride hauv thaj teb thiab cov chaw tsim khoom nyob ib puag ncig feem ntau tau siv tas li, thiab cov lag luam hauv qab tau ua raws li qhov xav tau, thiab lawv txoj kev txaus siab tau txwv. Hauv lub sijhawm luv luv, nws xav tias kev ua lag luam yuav ruaj khov ib ntus.
Lub sijhawm tshaj tawm: Lub Yim Hli-07-2024