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| 91. | drain cock joint |
| 排水阀接头 |
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| 92. | Union Joint |
| 活接头 |
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| 93. | hexagonal shoulder nipple |
| 内六角接头 |
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| 94. | electric cable connector |
| 电缆接头 |
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| 95. | fuel pipe union |
| 油管接头 |
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| 96. | break connection |
| 断路接头 |
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| 97. | multiple-spot welded joint |
| 多点接头 |
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| 98. | fibre optic splice |
| 光纤接头 |
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| 99. | hydroelectric joint |
| 水电接头 |
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| 100. | directional sub |
| 定向接头 |
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