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61. | aerial surveillance |
| 空中监视|空中监测 |
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62. | aerial construction |
| 架空结构 |
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63. | aerial fertilizing |
| 航空施肥 |
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64. | aerial topdressing |
| 飞机追肥 |
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65. | aerial inspection |
| 空中视察 |
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66. | aerial supervision |
| 空中巡线 |
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67. | aerial insulator |
| 天线绝缘子 |
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68. | aerial telescope |
| 航空望远镜 |
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69. | aerial spectrophotography |
| 航空光谱摄影术 |
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70. | aerial transmission |
| 空气传递 |
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