 |
| T表示电话费，L: 15 phrases in 12 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Business | 1 |
| Commerce | 1 |
| Economy | 1 |
| Finances | 1 |
| General | 1 |
| Metallurgy | 2 |
| Pharmacology | 3 |
| Project management | 1 |
| Technology | 1 |
| Textile industry | 1 |
|
| T表示电话费，L: 15 phrases in 12 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Business | 1 |
| Commerce | 1 |
| Economy | 1 |
| Finances | 1 |
| General | 1 |
| Metallurgy | 2 |
| Pharmacology | 3 |
| Project management | 1 |
| Technology | 1 |
| Textile industry | 1 |