| |||
| 定位度盘; 度盘调整 | |||
| 寻星度盘; 定位圆 | |||
|
setting circle : 13 phrases in 5 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Engineering geology | 1 |
| Oil / petroleum | 1 |
| Technology | 9 |
| |||
| 定位度盘; 度盘调整 | |||
| 寻星度盘; 定位圆 | |||
|
setting circle : 13 phrases in 5 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Engineering geology | 1 |
| Oil / petroleum | 1 |
| Technology | 9 |