farm irrigation
- 网络农田灌溉
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farm irrigation
农田灌溉
农田灌溉,farmland... ... ) farmland irrigation 农田灌溉 ) farm irrigation 农田灌溉 ) agricultural irrigation 农田灌溉 ...
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Technique Evaluation and Improvement for Farm Irrigation in Jingtai Pumping Irrigation District of Gansu
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On construction of farm irrigation and drainage engineering and technology of effect-added on water saving