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| engineering simulator | |||
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工程 模拟器 : 12 phrases in 8 subjects |
| Aviation | 1 |
| Drilling | 2 |
| Electronics | 1 |
| Oil / petroleum | 2 |
| Project management | 1 |
| Space | 1 |
| Technology | 3 |
| United States | 1 |
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