Three fourths of the United States has geology suitable for underground air storage.
美国四分之三区域的地质适合于地下空气存储。
2
Peripheral rock large deformation is a kind of great hazardous geology casualty of underground engineering.
围岩大变形是地下工程中危害极大的一种地质灾害。
3
Based on special geology and landforms in karst area, factors for building underground reservoir and seepage problems of it in karst mountain area have been discussed.