| machine | |
| gen. | coal drill; coal drilling machine |
| econ. | machinery |
| tech. | machine |
| transp. | engine |
| management | |
| ed. | management education |
| service | |
| gen. | after-sale service |
| econ. | after-sales service |
|
Virtual : 13 phrases in 5 subjects |
| Communications | 2 |
| Economics | 1 |
| Electronics | 1 |
| Information technology | 7 |
| Microsoft | 2 |