而解决浑水管道泥沙淤堵问题的关键在于其临界不淤流速的确定。

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

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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。

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.

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作者采用模型试验方法研究了万家寨引黄工程高压输水管道中泥沙的淤积过程、形态，分析了临界不淤流速及管道淤堵等问题。

Using hydraulic model, the writers studied the process and pattern of sediment deposit in high pressure water conveyance pipe of Wanjiazhai YRDP (Yellow River Diversion Project).

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