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| 31. | antenna booster |
| 天线放大器; 天线升压器 |
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| 32. | booster excitation |
| 调整压机励磁 |
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| 33. | booster explosive |
| 传爆药 |
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| 34. | balancing booster |
| 平衡升压机 |
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| 35. | booster machinery |
| 加速装置 |
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| 36. | overlapping booster |
| 侧置助推器 |
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| 37. | booster magneto |
| 助力永磁发电机 |
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| 38. | reversible booster |
| 【电】可逆增压机 |
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| 39. | capacity booster |
| 电容性升压电机 |
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| 40. | vibrating booster |
| 振动式升压器 |
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