地下渗灌是一种节水效果十分显著的节水灌溉技术。
The seep irrigation underground is a kind of water-saving irrigation technique.
采用拉链式塑料管作为渗灌管，在大棚中埋于地下不同深度，在不同工作水头下进行了基本渗流规律的试验研究。
Study on the basic seepage laws under different working heads, with zippered plastic pipes as percolation irrigation pipe embedded at different depths underground in the shelf.
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