安全诊断改善技术
safety diagnosis and improvement method
办公室工作改善
improvement of office work
侧向稳定改善工程
lateral stability improvement works
侧向稳定改善计划
lateral stability improvement programme
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
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