The heat transmission of products pipeline along with hot crude pipeline in one ditch has some effects on the operation of crude oil pipeline.
同沟敷设管道中成品油管道和原油管道间的传热对原油管道的运行有一定的影响。
Based on the model experiment, flow performances of the main ditch and operation styles of MIOD are experimented and furthermore, energy efficiency is analyzed in the article.
本文在MIOD工艺模型的基础上，进行了MIOD主沟水力性能及流态研究与工艺运行方式的试验研究，进而由此进行了新型一体化氧化沟工艺效能分析。
It also includes removal of tree stumps and roots in the ditch line that would interfere with operation of ditching machine.
还包括清除在挖管沟范围内影响挖沟机工作的树桩和树根。
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