water sanitation
短语词组
- Water and Sanitation Program 水及環境衛生計畫
- Water & Sanitation 飲用水及其衛生
- Water source sanitation 水源衛生
- water supply sanitation 水源衛生
- water and sanitation officer 水和衛生処
- water and sanitation service 供水和環衛処
- Water and Sanitation Project 水及公衛方案
- Water and Sanitation 供水和公共衛生 返回 water sanitation