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| 31. | frozen sucker set |
| 棒冰机 |
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| 32. | Jones sucker rod |
| 琼斯抽油杆 |
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| 33. | steam jet sucker |
| 蒸汽喷射吸入器 |
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| 34. | sucker rod break |
| 抽油杆折断 |
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| 35. | sucker rod hanger |
| 抽油杆悬挂器 |
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| 36. | sucker-rod pumping |
| 有杆泵抽油 |
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| 37. | sucker rod joint |
| 抽油杆接箍 |
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| 38. | hollow sucker rod |
| 空心抽油杆 |
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| 39. | sucker rod socket |
| 抽油杆打捞筒 |
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| 40. | sucker rod float |
| 抽油杆浮子 |
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