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| 试验保障〔辅助〕的 | |||
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test -support : 45 phrases in 8 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 21 |
| Electronics | 11 |
| General | 2 |
| Space | 4 |
| Technology | 4 |
| United States | 1 |
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