Forty-five years f expericence in design ,inspection,consultation and supervision of Large-scale and medium culverts ,sluice gates ,bridges,dams and lock gates on flatland as well as irrigation and water conservancy.

 
  • 四十五年从事平原地区大中型涵、闸、桥、南和船闸工程和农田水落石出利规划设计、审查、咨询、监理工作。
今日热词
目录 附录 查词历史