 |
| |||
| break make system | |||
| 断续式: 31 phrases in 10 subjects |
| Aviation | 2 |
| Chemistry | 2 |
| Desert science | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| General | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Technology | 19 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips