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| 地面锋 | |||
| 地面锋【气】 | |||
| surface front: 20 phrases in 8 subjects |
| Desert science | 2 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 3 |
| Plastics | 1 |
| Sports | 1 |
| Technology | 10 |
| Wind Energy | 1 |
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