According to the model, a corresponding software has been programmed which provides a decision-making basic for optimizing transmission of long distance heated crude oil pipeline.
根据所建模型编制了相应软件，为加热原油的长距离优化输送提供了决策依据。
Selection program and principle of pipes for long distance oil and gas transmission pipeline is introduced.
介绍了长输油气管道用钢管的选用程序和原则。
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