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| 能源经济; 动力业 | |||
| 动力设施 | |||
| 能源经济学 | |||
| 动力部门; 动力管理 | |||
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| 动力设备 | |||
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энергетическое хозяйство : 19 phrases in 2 subjects |
| Agriculture | 1 |
| General | 18 |
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