Shock liquefaction of sand layers is a principal engineering geological problem for the Hadashan water conservancy project.
砂层震动液化问题是哈达山水利枢纽工程首要的工程地质问题。
Shock liquefaction of sand layers is a principal engineering geological problem for the Hadashan water conservancy project.
砂层震动液化问题是哈达山水利枢纽工程首要的工程地质问题。
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