 |
| |||
| 弹簧扁钢 | |||
| spring flat: 27 phrases in 9 subjects |
| Automobiles | 5 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Compressors | 2 |
| Electric machinery | 4 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
| Technology | 9 |
| Textile industry | 1 |
|
| |||
| 弹簧扁钢 | |||
| spring flat: 27 phrases in 9 subjects |
| Automobiles | 5 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Compressors | 2 |
| Electric machinery | 4 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
| Technology | 9 |
| Textile industry | 1 |