In view of the importance and complexity of the project, the systematical study of the structure of the infiltration protectionwall is tarried out.
鉴于该工程的重要性、复杂性,对防渗墙的结构进行了系统研究。
3
The infiltration protectionwall of deepest of over 80 meters at Xiaolangdi dam is the key project to control infiltration in the sand and gravel layer at dam base.