井灌
- na.【水】well irrigation
 - 网络injection recharge
 
井灌井灌
well irrigation
“井”字的含义_百度知道 ... 井冈山[ Jinggangshan] 井灌[ well irrigation] 井架[ well tower] ... 
                injection recharge
城市污水再生利用 地下水... ... 3.4地表回灌 surface recharge 3.5井灌 injection recharge 3.1 城市污水 municipal wastewater ... 
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        Optimization Technology of the Well Irrigation Project of Irrigated Area in North of Yinchuan, Ningxia
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        Research on Assembling the Saving Water Technique and Synthetical Optimizing of Well Irrigation for Rice of San Jiang Plain
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