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| 不膨胀 | |||
| 非膨胀杆 | |||
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non -expansion : 16 phrases in 9 subjects |
| Aviation | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Finances | 1 |
| Metallurgy | 4 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 3 |
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