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| 强度测试压力 | |||
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strength- test pressure : 17 phrases in 10 subjects |
| Aviation | 2 |
| Chemistry | 1 |
| Earth sciences | 1 |
| Mechanics | 2 |
| Mining | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 2 |
| Shipbuilding | 1 |
| Technology | 5 |
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