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31. | bell-and-plain end joint |
| 套管接头 |
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32. | FROM THE TCM LINK CONNECTOR TO THE RELAY CONNECTOR |
| 从TCM连接接头到继电器接头。 |
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33. | Copper tube joints-Reducers |
| GB/T11618.6-1989铜管接头异径接头 |
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34. | grass hopper joint |
| 滑动接头 |
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35. | union connection |
| 管子接头 |
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36. | vacuum pump adapter |
| 真空泵接头 |
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37. | track connector |
| 履带接头 |
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38. | a tee piece |
| 丁字接头 |
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39. | upset end joint |
| 加厚接头 |
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40. | emergency connector |
| 应急接头 |
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