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| 51. | aviation channel |
| 航空通信频道 |
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| 52. | Egyptian aviation |
| 埃及航空 |
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| 53. | general aviation |
| 通用航空 |
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| 54. | aviation security |
| 航空保安 |
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| 55. | medical aviation |
| 医救航空|卫生航空兵 |
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| 56. | aviation barometer |
| 航空气压表 |
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| 57. | aviation adviser |
| 航空顾问 |
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| 58. | aviation method |
| 航空辛烷值测定法 |
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| 59. | aviation alkylate |
| 航空烃化汽油 |
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| 60. | fighter aviation |
| 战斗航空兵|战斗机|战斗机飞行员|战斗机驾驶术 |
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