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| 地面类型 | |||
| surface type: 62 phrases in 14 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Compressors | 1 |
| Earth sciences | 1 |
| Electronics | 7 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Rail transport | 1 |
| Refrigeration | 3 |
| Space | 1 |
| Technology | 36 |
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