 |
| |||
| 排水时间; 排代时间 | |||
|
displacement time : 22 phrases in 7 subjects |
| Air defense | 1 |
| Chemistry | 1 |
| Electronics | 5 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Oil / petroleum | 3 |
| Technology | 10 |
|
| |||
| 排水时间; 排代时间 | |||
|
displacement time : 22 phrases in 7 subjects |
| Air defense | 1 |
| Chemistry | 1 |
| Electronics | 5 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Oil / petroleum | 3 |
| Technology | 10 |