池塘水质改良
Ponds water quality improvement
长江水质改善
Water quality improvement of Yangtze River
城市湖泊水质改善
Improvement of Water Quality in Urban Lakes
改善水质
water quality improvement
水源水质改善
source water quality improvement
水质改善
Water Quality lmprovement
water improve
improvement of water quality
water quality improvement
Improvement of drinking water quality
water-quality improvement
water purification
水质改善对策
water quality improvement countermeasure
持续性品质改善
continious quality improvement
continuous quality improvement
持续性医疗品质改善计划
continuous quality improvement
改善水环境
water environment bettering
改水改厕
drinking water and toilet
Improving lavatories and drinking water
Improving drinking water and lavatories
Safe treatment of night-soil and water supply
Reconstructing water supply and lavatory
品质改善活动
QAN Quality Amelionrate Notice
品质改善小组
QIT Quality Improvement Team
膳食品质改善效果
dietary-quality-improvement effect
水质改良
water quality improvement
water purification
water-quality improvement
amelioration of water quality
水质改性
water quality adjustment
water quality modifying
water quality modification