Peb 7, 2024
Tus nqi tshiab ntawm cov khoom siv-kua anhydride hauv thaj chaw thiab cov chaw tsim khoom nyob ib puag ncig feem ntau tau siv tsis tu ncua, thiab cov lag luam hauv qab tau ua raws li qhov xav tau, thiab lawv qhov kev txaus siab raug txwv. Hauv lub sijhawm luv luv, nws xav tias kev ua lag luam yuav nyob ruaj khov ib ntus.
Post lub sij hawm: Aug-07-2024