water sanitation
短语词组
- Water and Sanitation Program 水及环境卫生计画
- Water & Sanitation 饮用水及其卫生
- Water source sanitation 水源卫生
- water supply sanitation 水源卫生
- water and sanitation officer 水和卫生处
- water and sanitation service 供水和环卫处
- Water and Sanitation Project 水及公卫方案
- Water and Sanitation 供水和公共卫生 返回 water sanitation