1、效率专家
... ecological engineering 生态工程 ... efficiency engineer 效率专家 ... electric engine 电机；电火箭发动机 ...
2、效率工程师
...* 造价工程师 cost engineer* 效率工程师 efficiency engineer* 工程师，计算机集成制造（CIM） engineer, computer integrated manufacturing (CIM) ...
Industrial efficiency engineer工业效率工程师;工业效益工程师
Energy Efficiency Engineer能效认证工程师;能耗认证工程师
Quality System Efficiency Engineer质量体系工程师