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| 51. | pilot lightship |
| 引航站灯船 |
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| 52. | pilot hole |
| 引导孔 |
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| 53. | pilot tower |
| 领航塔 |
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| 54. | compulsory pilot |
| 法定引航员 |
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| 55. | pilot project |
| 中间试验(中试) |
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| 56. | pilot investigation |
| 试点调查 |
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| 57. | centering pilot |
| 定心导向 |
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| 58. | controller pilot |
| 调节器控制活门 |
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| 59. | pilot development |
| 试验开发 |
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| 60. | instructor pilot |
| 飞行教官 |
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