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1·The induced bending moment may lead to destructibility of the pipeline.

弯矩的产生可能导致管线的破坏。

2·The ground fracture in Xi an is a sort of unique city geologic hazard, its area of coverage pole expand, destructibility very strong, afterwards becoming a chiefly nature calamity of Xi'an.

西安市工程建设必须考虑的因素之一是地裂缝，它是一种独特的城市地质灾害，其延伸覆盖面非常广泛，破坏性极强，在西安市的主要地质灾害之一是地裂缝。