原州区南城拐子二级扬水灌区高效节水补灌工程任务和规模
원주구남성괴자이급양수관구고효절수보관공정임무화규모
Task and Scale of High-efficiency Water Saving Supplemental Irrigation Project in Yuanzhou District Nancheng Guaizi Two-stage Pumping Irrigation Area
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