Summary | By Sunday, the facility was shrouded in smog
(right).In some areas, visibility is likely to be less than 1
km.2.5 microns or less in diameter that pose hazards to human
health.When returning home, people should wash their faces and
rinse out their mouths.They should also remove and store their
coats to reduce contamination indoors, he said.In such ...
(right).In some areas, visibility is likely to be less than 1
km.2.5 microns or less in diameter that pose hazards to human
health.When returning home, people should wash their faces and
rinse out their mouths.They should also remove and store their
coats to reduce contamination indoors, he said.In such ...
en.ce.cn | 07 December 2015