 |
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| aerospace standard; aeronautic standards; aviation standards | |||
| aeronautical standard | |||
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| aeronautical standards | |||
| 航空 标准: 72 phrases in 8 subjects |
| Aviation | 41 |
| Business | 4 |
| Electronics | 5 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Space | 9 |
| Technology | 3 |
| United States | 7 |