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71. | Union Joint |
| 活接头 |
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72. | winged substitute |
| 十字形接头 |
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73. | wire connection |
| 线接头 |
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74. | fuel pipe union |
| 油管接头 |
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75. | synthetic linker |
| 合成接头 |
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76. | bayonet connector |
| 卡口接头 |
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77. | terminal of a battery |
| 电池接头 |
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78. | hexagonal shoulder nipple |
| 内六角接头 |
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79. | revolving joint |
| 旋转接头 |
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80. | multiple-spot welded joint |
| 多点接头 |
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