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| 底盘/车架/车身焊接的骨架件 | |||
| 焊接铁轨; 焊接轨道 | |||
| welded rail: 29 phrases in 4 subjects |
| Bridge construction | 9 |
| Metallurgy | 1 |
| Rail transport | 7 |
| Technology | 12 |
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