Pollution and treatment of solid waste are the important environment engineering problems in modernization cities.They are also the problems existing in the developed countries Based on Jiamusi City.

 
  • 固体废弃物的污染、处置与利用是现代化城市面临的重大环境工程问题,也是发达国家尚未很好解决的问题。
今日热词
目录 附录 查词历史