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| combined lots; blending (固体推进剂混料) | |||
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组批 : 23 phrases in 12 subjects |
| Aviation | 3 |
| Business | 3 |
| Commerce | 2 |
| International trade | 1 |
| Management | 1 |
| Metallurgy | 2 |
| Name of organization | 1 |
| Nautical | 1 |
| Space | 3 |
| Swimming | 1 |
| Technology | 4 |
| United Nations | 1 |
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