黄土坡地径流收集膜下自流出滴灌溉系统设计及其生态效益研究
황토파지경류수집막하자류출적관개계통설계급기생태효익연구
A study on the design of runoff-collecting system for auto-flowing drip irrigation under film and its ecological benefit in slope land of the Loess Plateau
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