 |
| |||
| 背板; 钢板衬背 | |||
| sheet backing: 15 phrases in 7 subjects |
| Architecture | 1 |
| Business | 2 |
| Economy | 1 |
| International trade | 1 |
| Metallurgy | 3 |
| Polygraphy | 1 |
| Technology | 6 |
|
| |||
| 背板; 钢板衬背 | |||
| sheet backing: 15 phrases in 7 subjects |
| Architecture | 1 |
| Business | 2 |
| Economy | 1 |
| International trade | 1 |
| Metallurgy | 3 |
| Polygraphy | 1 |
| Technology | 6 |