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| 试验批 | |||
| 试验批料; 试验的一批 | |||
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test batch : 9 phrases in 6 subjects |
| Agriculture | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 4 |
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