 |
| |||
| optimum altitude | |||
| optimum height | |||
| 最佳高度: 11 phrases in 5 subjects |
| Aviation | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Space | 5 |
| Technology | 2 |
|
| |||
| optimum altitude | |||
| optimum height | |||
| 最佳高度: 11 phrases in 5 subjects |
| Aviation | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 1 |
| Space | 5 |
| Technology | 2 |