History, types of structures, constructiom methods and achievements of hydraulic asphalt concrete as impervious slabs and cores for embankment dams are introduced in this paper.

 
  • 本文介绍了水工沥青混凝土用作土石坝面板和心墙防渗体的历史、结构形式、施工方法和成就。
今日热词
目录 附录 查词历史