Crackings occurred three times in elbow bend since one domestic long distance gas transportation pipeline came to used in 1993.

国内某长距离煤气输送管道于1993年投入运行以来，先后三次在管道弯头部位出现裂纹，导致煤气泄漏。

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Fractures in the rich gas transportation pipeline was analyzed based on a crack propagation pipeline model for rich gas transmission.

为了研究富气输送对管道动态断裂的影响，建立了富气输送裂纹动态扩展管道模型。

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The capacity of the gas transportation pipeline network system was also studied so as to utilize all the existing pipeline and equipment fully in this dissertation.

为了充分利用现有的管道及设备，本文还对西北缘输配气管网系统的输气能力进行了研究。

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"A leading engineer and manufacturer of high-quality, flexible pipeline products for oil and gas transportation in the susbsea production industry, " Wellstream's acquisition demonstrates a double interest by GE to both tap the deepwater drilling business and enter one of the world's most dynamic economies in the sector, Brazil.

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The company should also benefit from a boost in demand as energy companies continue to expand their natural gas and petroleum pipeline networks to meet rising demand and reduce the operational and transportation costs of fuel.

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Calgary-based Inter Pipeline is in the business of petroleum transportation, bulk liquid storage, and natural gas liquids extraction.

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