sanitationn.公共卫生;卫生设备;下水道设施
sanitation service fees清洁卫生费
Sanitation landfill site卫生填埋场
sanitation service sites卫生服务站点
sanitation of bath-room浴室卫生
sanitation of environment环境卫生
Sanitation finishing agent卫生整理剂
sanitation of spring water泉水卫生
sanitation of medical care医疗卫生事业
sanitation of swimming pool游泳池卫生
sanitation of drinking water饮用水卫生