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| 21. | sucker rod spear |
| 抽油杆打捞矛 |
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| 22. | a frozen sucker |
| 棒冰, 冰棍 |
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| 23. | sucker rod hook |
| 抽油杆吊钩 |
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| 24. | sucker-rod string |
| 抽油杆柱 |
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| 25. | sucker rod line |
| 带动抽油杆的钢绳 |
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| 26. | sucker rod scraper |
| 抽油杆刮蜡器 |
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| 27. | sucker rod load |
| 抽油杆负荷 |
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| 28. | sucker rod substitute |
| 抽油杆接头 |
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| 29. | sucker rod pump |
| 有杆泵 |
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| 30. | sucker-rod wrench |
| 抽油杆扳手 |
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