The research results have the important leading meaning to the choice of subassembly, the construction, maintenance management of the water delivery pipeline system.

研究成果对于输水管道系统组件的选择、施工与维护管理，具有重要的指导意义。

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Communications and transportation transportation by land, water, air and pipeline, loading unloading and delivery 3.

交通运输业陆路运输、水路运输、航空运输、管道运输、装卸搬运3%。

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Solving sediment depositing in pipeline key of problem lied in determining non-depositing critical velocity of muddy water delivery in pipeline system and corresponding technical measures.

而解决浑水管道泥沙淤堵问题的关键在于确定其临界不淤流速及与之配套的工程技术措施。

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