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| 21. | overhead electric traction wire |
| 架空牵引电力导线 |
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| 22. | overhead traction wire |
| 架空牵引网导线 |
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| 23. | wire insulating compound |
| 导线绝缘用化合物 |
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| 24. | pilot-wire protectio |
| 辅助导线纵联保护装置 |
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| 25. | wire impedance tester |
| 导线阻抗测试器 |
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| 26. | single-core superconducting wire |
| 单芯超导线 |
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| 27. | The frame is thick wire, it is thin wire inside, and then we weld the frame wire and the wire inside |
| 框架是厚实的导线,这是轧棉导线网里面,并且我们一起然后焊接框架导线和导线网。 |
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| 28. | wire insulating tape |
| 导线绝缘用粘带 |
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| 29. | the length of the wire |
| 导线的长度 |
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| 30. | The electricity flowed through the wire |
| 电流通过导线。 |
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