Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will run off.

深度管道灌溉在斜坡和硬质土壤环境中非常适用，因为在那些地方地表灌溉浪费水资源。

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The results indicate that the perforated pavement and perforated rainwater drainage pipe system reduce run off and replenish underground water remarkably.

试验结果表明，采用透水铺盖面及渗透式雨水管道系统，对削减径流、补充地下水源有显著效果。

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