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| 岩心 | |||
| 岩芯 | |||
| 岩心钻进过程中，采用取心工具从井下地层取出的岩石样品。它供地质描述和分析、测定地层参数、实验研究用。用于测定参数及实验用的岩心,多为小岩心柱，常用直径为 2.54cm | |||
| core of rock: 2 phrases in 1 subject |
| Engineering geology | 2 |
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