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| 对接焊接头 | |||
| 对焊接头; 对接焊头 | |||
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| 对焊连接 | |||
| 对焊接头 | |||
| 焊接头 | |||
| |||
| 对接焊缝; 对缝焊接; 对头焊接 | |||
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butt-welded joint : 15 phrases in 6 subjects |
| Bridge construction | 1 |
| Chemistry | 1 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Shipbuilding | 1 |
| Technology | 9 |
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