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| 供暖燃料; 加热用油 | |||
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heating fuel : 30 phrases in 10 subjects |
| Agriculture | 2 |
| Automobiles | 5 |
| Aviation | 2 |
| Ecology | 1 |
| Electronics | 6 |
| Metallurgy | 3 |
| Nuclear and fusion power | 1 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 8 |
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