ERW yog dab tsi

Kev vuam hluav taws xob tsis kam(ERW) yog ib txoj kev vuam uas cov khoom hlau uas sib chwv raug txuas mus tas li los ntawm kev ua kom sov nrog hluav taws xob, ua rau cov hlau ntawm qhov sib koom ua ke yaj. Kev vuam hluav taws xob tsis kam siv dav dav, piv txwv li, hauv kev tsim cov yeeb nkab hlau.


Lub sijhawm tshaj tawm: Lub Ib Hlis-21-2022