The prestressed concrete floodgate pillar may simplify the structure of buildings, to shorten the use of steel largely and to make the construction conveniently, Therefore it is used more and more popularly.

 
  • 摘要预应力混凝土闸墩可以简化建筑物结构、节省大量钢筋和方便施工,因此被越来越多地采用。
今日热词
目录 附录 查词历史