1. sanitation of drinking water 
   饮用水卫生
2. 2. Security, Health Care and Sanitation 
   (二)安全卫生环境建设
3. forest for human sanitation and health 
   卫生保健林
4. Water Supply and Sanitation Collaborative Council 
   供水和卫生合作理事会
5. economic method and administrative method 
   经济方法与行政方法

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