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| saddle key | |||
| space bar | |||
| 空键: 23 phrases in 10 subjects |
| Aviation | 5 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| Metallurgy | 1 |
| Multimedia | 1 |
| Project management | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 8 |
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