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| 41. | submersible core drill |
| 潜入式岩心钻机 |
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| 42. | all-hydraulic core drill |
| 液压岩心钻机 |
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| 43. | double tube core barrel |
| 复式岩心管 |
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| 44. | core barrel catcher |
| 岩心筒抓取器 |
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| 45. | effective core penetration |
| 有效岩心穿透深度 |
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| 46. | core interpreting device |
| 鉴定岩心方向装置 |
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| 47. | formation core plug |
| 地层岩心柱状样品 |
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| 48. | rope core barrel |
| 绳索式岩心筒 |
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| 49. | sponge core barre |
| 海绵套岩心筒 |
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| 50. | effective core porosity |
| 有效岩心孔隙度 |
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