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| ★ 主发电机 | |||
| 主发生器 | |||
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| 主发电机; 主振荡器 | |||
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main -generator : 36 phrases in 12 subjects |
| Aviation | 1 |
| Electric machinery | 2 |
| Electric motors | 1 |
| Electronics | 3 |
| Hydroelectric power stations | 3 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 1 |
| Rail transport | 2 |
| Shipbuilding | 12 |
| Space | 1 |
| Technology | 6 |
| United Nations | 3 |