Underground pipeline water delivery can save water, land, energy and labor. It is convenient for machinery work and field work.

地埋管道输水可节水、节地、节能、省工，便于机械作业和田间生产。

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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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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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