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| 11. | retarder booster |
| 减速辅助器 |
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| 12. | booster immunization |
| 加强免疫 |
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| 13. | booster response |
| 回忆应答 |
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| 14. | booster amplifier |
| 高频前级放大器;辅助放大器;附加放大器;升压放大器 |
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| 15. | booster station |
| 接力站 |
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| 16. | automatic booster |
| 自动升压机 |
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| 17. | Highfield booster |
| 海菲尔德升压器 |
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| 18. | jettisonable booster |
| 可抛助推器 |
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| 19. | hydrogen booster |
| 氢气增压机 |
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| 20. | booster assembly |
| 助推器固定机构 |
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