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| 31. | single rivet butt joint |
| 单行铆对接 |
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| 32. | flash butt welding |
| 对接闪光焊 |
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| 33. | Butt mitred joint |
| 对接角榫 |
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| 34. | rendezvous and docking |
| 交会和对接 |
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| 35. | angle butt joint |
| 角度对接接头 |
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| 36. | circumferential butt joint ring |
| 周边对接圈 |
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| 37. | butt welding dies |
| 对接焊夹钳 |
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| 38. | butt welded tube |
| 对接焊管 |
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| 39. | closed butt weld |
| 连续对接焊缝 |
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| 40. | double-cover butt joint |
| 双盖板对接 |
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