免费全国空降app入口在哪里_全国同城免费月抛_同城微信快餐_附近品茶QQ联系方式

RETURN

PERFO
Mining Metallurgy Chemical Metal Processing Environment Public Works Building Intelligent Equipment New Energy Digitalization and Intelligentization

River Comprehensive Treatment Project–Ji’an Houhe River Basin, China

Dredging, intercepting polluted water, rehabilitating riverside, diverting water, restoring water ecology and landscaping are used for comprehensive treatment to achieve self-restoration of waters.
China Human Settlements and Environment Award.