The vertically paving plastic film is a new technique in the aiti-seepage of dikes.Which developed and studyed and improved for more than then years.

 
  • 摘要垂直铺塑防渗技术是堤坝防渗的一种新技术,经过十多年的开发研制和改进,该项新技术已经成熟。
今日热词
目录 附录 查词历史