 |
| |||
| 调节螺钉 | |||
| adjustment screw: 21 phrases in 9 subjects |
| Agriculture | 2 |
| Automobiles | 2 |
| Computer numerical control | 1 |
| Drilling | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Plastics | 2 |
| Skiing | 1 |
| Technology | 8 |
|
| |||
| 调节螺钉 | |||
| adjustment screw: 21 phrases in 9 subjects |
| Agriculture | 2 |
| Automobiles | 2 |
| Computer numerical control | 1 |
| Drilling | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Plastics | 2 |
| Skiing | 1 |
| Technology | 8 |