|
21. | capacitive plug |
| 电容插头 |
|
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| |
22. | supporting plug |
| 支持柱塞 |
|
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| |
23. | plug commutator |
| 插塞式交换机 |
|
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24. | expendable plug |
| 一次性桥塞 |
|
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| |
25. | preheating plug |
| 电热塞 |
|
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26. | lubricating plug |
| 注油栓 |
|
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27. | inspection plug |
| 检查塞 |
|
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| |
28. | contacting plug |
| 连接器栓|插头 |
|
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29. | concentric plug |
| 同心插头 |
|
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| |
30. | galvanized plug |
| 镀锌插头 |
|
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