珠江流域水资源保护局
pearl river basin water resources protection bureau
地下水资源保护
Protection of groundwater resources
protection of ground water res ources
华北水利水电学院北京研究生部；松辽流域水资源保护局
School of Postgraduates
North China Inst.of Water Resources Hydropower
流域水资源保护
water resources protection of river basins
水资源保护
Water resources protection
water resource
water conservation
Water resource protection
Water resources conservation
Water conservancy
Protection of Water Resources
water resource protecting
conservation of aquatic resource
Water resource conservation
太湖流域水资源保护局
taihu basin water resources protection bureau
Ministry of Water Resources
水资源保护规划
water resources protection planning
水资源保护性开采
mining of water resources preserving
水资源保护与利用
protection and utilization of water resources
松辽流域水资源保护局
songliao basin water resources protection bureau
Song-liao River Basin Water Resource Protection Bureau
song-liao river basin water resources protection bureau
Song huajiang-Liaohe Department of Water Resources Protection
珠江水资源保护科学研究所
Scientific Research Institute of Pearl River Water Resource Protection