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| 钢轨导接线 | |||
| 轨道连接器; 轨端电气连接电气轨道为减少连接电阻而用焊接连接的导体接头 | |||
| 轨端电气连接; 轨道夹紧器; 钢轨接续线; 钢轨导电接线; 导轨夹紧器 | |||
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rail bond : 17 phrases in 2 subjects |
| Rail transport | 3 |
| Technology | 14 |
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