To simplify the calculation process, this paper develops software of land use safety planning for the city gas pipeline network.

为了简化计算过程，本文编制了城市燃气管网土地利用安全规划软件。

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As a part of gas transmission pipeline project, the city gas distribution pipeline network is a very important component for the new gas to enter into the city.

城市配气管网作为输气管道的下游配套工程，是天然气顺利进入沿线城市的重要环节。

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So it is very important to study the optimum design of city natural gas pipeline network system.

因此进行城市管网规划设计的研究具有重大的实际意义。

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So it is very important to study the optimum design of city natural gas pipeline network system.

因此进行城市管网规划设计的研究具有重大的实际意义。

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