介绍青藏铁路冻土工程的主要特点，阐明解决冻土工程问题的核心是控制融沉和冻胀变形。
The paper briefs on the features of Qinghai-Tibet Railway permafrost engineering andclaries the control of thaw deposit and frosting heaving deformation as the core of thepermafrost engineering.
介绍青藏铁路冻土工程的主要特点，阐明解决冻土工程问题的核心是控制融沉和冻胀变形。
The paper briefs on the features of Qinghai-Tibet Railway permafrost engineering andclaries the control of thaw deposit and frosting heaving deformation as the core of thepermafrost engineering.
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