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