• 防渗墙 - 引用次数：2

  But the deep foundation in excess of 50m is a technically difficult problem in constructing the underground stub cutoff wall. In recent years it has been improved on equipment,techniques and materials,and breakthrough progress has been made.

  超过50m的深地基是该项技术在构筑地下防渗墙时难以跨越的技术难题。

  参考来源 - 高压喷射灌浆技术在岭澳大坝加固工程中的应用 ENGLISH

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