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roller steel
| section
| roller steel | |
| tech. | 轨制钢 |
| section | |
| gen. | 栏目; 环节; 部 |
| book.bind. | 配页 |
| hydroel.st. | 节 |
| met. | 区段; 工段 |
| |||
| 轨制钢 | |||
|
roller steel section : 40 phrases in 6 subjects |
| Automobiles | 1 |
| Construction | 1 |
| Metallurgy | 4 |
| Shipbuilding | 1 |
| Steel production | 1 |
| Technology | 32 |
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