energy-efficient
| engine
| energy-efficient | |
| ecol. | 高能效的; 高效节能; 节能的 |
| engine | |
| auto. | 发动机，引擎 |
| comp.games. | 游戏引擎 |
| met. | 机器 |
| space | 机械 |
| sport. | 游戏引擎 |
| tech. | 引擎; 发动机; 机车 |
| |||
| 高能效的; 高效节能; 节能的 | |||
|
energy-efficient : 30 phrases in 13 subjects |
| Automobiles | 5 |
| Aviation | 3 |
| Earth sciences | 1 |
| Ecology | 2 |
| Economics | 3 |
| Electric machinery | 1 |
| Electronics | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Lighting other than cinema | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Space | 2 |
| Technology | 6 |