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| 焊接导接线，接合 | |||
| 焊接式钢轨接续线 | |||
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| 焊接口 | |||
| 焊接熔合部分; 焊接接头 | |||
| 熔接线; 焊缝 | |||
| 熔合线 | |||
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welded bond : 1 phrase in 1 subject |
| Metallurgy | 1 |
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