为此，以三峡工程地下厂房拱顶设计为例，研究洞顶岩石拱结构形成及加固机理。

For this purpose the mechanism of forming a rock tunnel roof arch and reinforcement will be illustrated with the underground powerhouse in the Three Gorges Project.

youdao

为此，以三峡工程地下厂房拱顶设计为例，研究洞顶岩石拱结构形成及加固机理。

For this purpose the mechanism of forming a rock tunnel roof arch and reinforcement will be illustrated with the underground powerhouse in the Three Gorges Project.

youdao