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- Objective To investigate the drinking water quality in villages of Yongding District, discover the existing problems and analyze the related influencing factors for providing scientific basis in the improvement of water quality. 摘要目的了解永定区农村饮用水卫生状况，发现存在的问题，分析影响饮用水卫生质量的相关因素，为有关部门实施农村改水提供科学依据。
- Yongding district of Zhangjiajie 张家界市永定区
- The flood inundated the whole district. 洪水淹没了整个地区。
- They have demolished the slum district. 贫民区已被拆除。
- This district grew cotton on a large scale. 这个地区过去大量种棉花。
- He lives in a mountainous district. 他住在山区。
- He was selected as the district attorney. 他被选为地方检察官。
- Cholera was rampant in the district. 这个区里霍乱蔓延十分严重。
- They are on holiday in the Lake District. 他们在英格兰湖区度假。
- Quite a few people have filed for district attorney. 好几个人已正式提出竞选地方检察官职位。
- Yongding district 永定区
- The district under the jurisdiction of a constable. 治安官管辖区受一名治安官管辖的地区
- The Yongding and Daqing rivers meet near Tianjin. 永定河和大清河在天津附近合流。
- They've demolished the slum district. 贫民区已拆除。
- It will put a premium on drinking in the district. 这将助长地区内的酗酒风气。
- He will stand for reelection in his own district. 他将在自己的选区竞选连任。
- Hm ...so you are the Yongding River, he thought. 喔，你就是永定河，他想。
- The office or district of a bailiff. 市镇官管辖区市镇官的职责或管辖范围
- Please fill in your jurisdictional district. 请填写你的管辖区。
- An election district of a city or town. 选区城市或城镇的选区
