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| 接触网 | |||
| 架空接触线路; 网; 接触网悬挂; 接触悬挂 | |||
| 架空接触线; 张力补偿架空线; 架空接触网; 架空导线 | |||
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| 接触网导线 | |||
| overhead contact line: 37 phrases in 3 subjects |
| Bridge construction | 1 |
| Rail transport | 28 |
| Technology | 8 |
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