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| 双基 | |||
| 快药速燃性火药 | |||
| 双基 (推进剂) | |||
| 双支承; 双元 | |||
| English thesaurus | |||
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| DB | |||
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Double Base : 64 phrases in 12 subjects |
| Air defense | 1 |
| Aviation | 8 |
| Chemistry | 3 |
| Electronics | 3 |
| General | 4 |
| Geophysics | 2 |
| Oil / petroleum | 1 |
| Radio | 1 |
| Rail transport | 5 |
| Space | 31 |
| Technology | 4 |
| Telecommunications | 1 |
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