????????????????? ??????????? ???????????????????????????? ?????????

CRI, May 1, 2022

Size：

?????????????? ????? ?? ??????????? ????????????????????????????? ?????????????? ??????????? ??????????????????????????????? ?????????????????????????????? ??????-?? ???????????? ??????????? ??????????? ?????????????? ???????????????????????????????? ????????????????? ????????????? ?? ??????? ??????? ???????????????????????? ?????????? ??????????? nucleic acid ???????? ?????????? negative ??????????????????????? ?????????????????

Copyright @ Lancang-Mekong Cooperation China Secretariat
Address: No. 2, Chaoyangmen Nan Dajie, Chaoyang District, Beijing, 100701
　Jing ICP Registration No.: 06038296-6
Jing Public Security Internet Safety Registration No.: 110105002097

????????????????? ??????????? ???????????????????????????? ?????????

CRI, May 1, 2022 Size：

CRI, May 1, 2022

Size：