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| 91. | plug in support |
| 插入式底座 |
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| 92. | spark plug post |
| 火花塞柱 |
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| 93. | spark plug thread |
| 火花塞螺纹 |
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| 94. | plug retrieving tool |
| 堵塞器回收工具 |
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| 95. | casing bridge plug |
| 套管桥塞 |
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| 96. | plug in assembly |
| 插入式装配件 |
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| 97. | crosshead oil plug |
| 十字头润滑油塞 |
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| 98. | plug resistance box |
| 插入式电阻箱 |
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| 99. | plug compatible equipment |
| 插接兼容设备 |
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| 100. | plug screw gauge |
| 阴螺纹规 |
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