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| 适航标准 | |||
| 适航性标准 | |||
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| 适航性标准 | |||
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| 适航性标准 | |||
| Russian thesaurus | |||
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| НЛГ (США MichaelBurov) | |||
| норма лётной годности: 5 phrases in 3 subjects |
| Aviation | 1 |
| General | 1 |
| Technology | 3 |
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