地裂缝是西安市主要的工程地质灾害问题。

Ground fissure is the main geological disaster in Xi an city construction.

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地裂缝是西安市主要的工程地质灾害问题。

Ground fissure is the main geological disaster in Xi 'an city construction.

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立井井壁破坏是一种特殊类型的工程地质灾害，是人类采矿活动和地质环境相互作用的结果。

The fracture of shaft lining is a special type of engineering geologic disasters and is caused by interaction between mining and geological environment.

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