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| Производство полётов воздушных судов (Procedures for Air Navigation Services Opertations Yuriy Sokha) | |||
| 英语 词库 | |||
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| procedures for air navigation services/aircraft operations | |||
| Procedures for Air Navigation Services – Aircraft Operations | |||
| PANS-OPS: 2 短语, 1 学科 |
| 航空 | 2 |