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| 效率曲线 | |||
| 功率曲线 | |||
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efficiency curve : 24 phrases in 11 subjects |
| Business | 2 |
| Chemistry | 2 |
| Earth sciences | 1 |
| Economics | 1 |
| Electric machinery | 3 |
| Explosives and Explosive Ordnance Disposal | 3 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 2 |
| Solar power | 1 |
| Technology | 7 |