According to requirement of the project design and tests, EPS board is finally chosen as the thermal insulation material for the eternal exposed surface of Three Gorges project dam and powerhouse.
根据设计要求并结合三峡二期工程保温材料实际运用情况，通过一系列试验比选，最终选择聚苯板作为三峡工程三期大坝、厂房永久暴露面保温材料。
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.
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.
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。
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