 |
| |||
| 折三褶 | |||
| fold three: 24 phrases in 7 subjects |
| Business | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Metallurgy | 2 |
| Technology | 13 |
| Textile industry | 4 |
|
| |||
| 折三褶 | |||
| fold three: 24 phrases in 7 subjects |
| Business | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Metallurgy | 2 |
| Technology | 13 |
| Textile industry | 4 |