 |
| |||
| clear zone; clearance zone; overrun; safety zone | |||
| 保险道: 9 phrases in 5 subjects |
| Aviation | 3 |
| Business | 1 |
| Economy | 1 |
| Metallurgy | 1 |
| Technology | 3 |
|
| |||
| clear zone; clearance zone; overrun; safety zone | |||
| 保险道: 9 phrases in 5 subjects |
| Aviation | 3 |
| Business | 1 |
| Economy | 1 |
| Metallurgy | 1 |
| Technology | 3 |