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| 无缝钢管 | |||
| 无缝钢管; 无缝管 | |||
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бесшовная труба : 28 phrases in 6 subjects |
| Construction | 2 |
| Drilling | 1 |
| Electronics | 3 |
| General | 16 |
| Oil and gas | 3 |
| Technology | 3 |
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