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| energy cost | |||
| 能量成本: 14 phrases in 8 subjects |
| Business | 1 |
| Earth sciences | 1 |
| Economy | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Finances | 2 |
| Planning | 1 |
| Technology | 5 |
| Textile industry | 1 |
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