 |
| |||
| 弹簧床垫 | |||
| bed spring: 10 phrases in 6 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| General | 1 |
| Gymnastics | 1 |
| Technology | 4 |
| Textile industry | 2 |
|
| |||
| 弹簧床垫 | |||
| bed spring: 10 phrases in 6 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| General | 1 |
| Gymnastics | 1 |
| Technology | 4 |
| Textile industry | 2 |