Lub rooj sib tham "Tshuaj tua kab-2020": tshwm sim
Lub 10th International Conference "Pesticides-2020" tau muaj nyob rau hauv Moscow. Lavxias teb sab thiab txawv teb chaws manufacturers ntawm cov cuab yeej tiv thaiv tau koom nrog hauv qhov kev tshwm sim ...