| |||
| 步进式的 | |||
|
step type : 53 phrases in 11 subjects |
| Chemistry | 2 |
| Compressors | 1 |
| Computer numerical control | 1 |
| Drilling | 3 |
| Electronics | 2 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 38 |
| |||
| 步进式的 | |||
|
step type : 53 phrases in 11 subjects |
| Chemistry | 2 |
| Compressors | 1 |
| Computer numerical control | 1 |
| Drilling | 3 |
| Electronics | 2 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 38 |