The geological hazard, such as landslide and mudflow, etc. may cause fatal hidden trouble for the safety of gas-oil pipeline in service.

山体滑坡和泥石流等地质灾害对油气管道安全运行构成了潜在的重大危害。

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First, this paper describes various types of geological hazards caused the pipeline to be damaged and explores the natural conditions lead to hazard.

首先对可能引起管道破坏的各类地质灾害情形进行描述，探讨引发灾害发生的自然条件。

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Pressure wave of water hammer produces serious hazard for pipeline.

管道发生水击时的水击压力波对管道的危害非常严重。

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