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| 61. | END CONNECTOR |
| 终端接头 |
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| 62. | loading connection |
| 装载接头 |
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| 63. | dividing adapter |
| 分水接头 |
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| 64. | GAUGE CONNECTOR |
| 压力表接头 |
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| 65. | solvent cement joint |
| 胶结接头 |
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| 66. | outlet connection |
| 出口接头 |
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| 67. | power drilling sub |
| 动力接头 |
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| 68. | trailer connector |
| 拖车接头 |
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| 69. | cross joint |
| 十字接头 |
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| 70. | permanent joint |
| 固定接头 |
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