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| 21. | secondary connection |
| 二次接线 |
|
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| | |
| 22. | electric jumper lead |
| 跨接线 |
|
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| | |
| 23. | polygon connection |
| 多角形接线 |
|
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| | |
| 24. | circuit connection |
| 电路接线 |
|
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| | |
| 25. | terminated line |
| 端接线 |
|
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| | |
| 26. | Taylor connection |
| 泰勒接线 |
|
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| | |
| 27. | front connection |
| 正面接线 |
|
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| | |
| 28. | closed circuit alarm device |
| 闭路接线 |
|
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| | |
| 29. | splicing fitting |
| 接线夹 |
|
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| | |
| 30. | junction device |
| 接线装置 |
|
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