排放测试循环
Emission testing cycle
Emission test cycle
emission measurement cycle
全球统一的摩托车排放测试循环
world motorcycle testing cycle
循环测试法
circulation test algorithm
欧洲环境管理体系
european environmental management system
欧洲环境监测和资料网络
European Environmental Monitoring and Information Network
欧洲环境控制
european environmental control
angle derrick