 |
| |||
| qualitative carbon steel | |||
| 优 质碳钢: 15 phrases in 6 subjects |
| Automobiles | 2 |
| Compressors | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 8 |
| Technology | 2 |
| Wind Energy | 1 |
|
| |||
| qualitative carbon steel | |||
| 优 质碳钢: 15 phrases in 6 subjects |
| Automobiles | 2 |
| Compressors | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 8 |
| Technology | 2 |
| Wind Energy | 1 |