seasonally thawed layer

  • 网络季节融化层

seasonally thawed layerseasonally thawed layer

seasonally thawed layer

季节融化层

冻土地区建筑地基基础... ... 2.1.28 季节融化层(季节活动层) seasonally thawed layer 2.1.29 标准冻深 standard freezing dept…

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