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91. | representative core |
| 代表性岩心 |
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92. | percussion core |
| 冲击钻井取的岩心 |
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93. | valve core |
| 气门芯 |
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94. | core capital |
| 核心资本 |
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95. | core template |
| 砂心模板 |
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96. | reinforced core |
| 强化线芯 |
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97. | atmospheric core |
| 通气芯 |
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98. | embedded core |
| 加装砂心 |
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99. | unconsolidated core |
| 松散岩心 |
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100. | impervious core |
| 不透水心墙;防渗心墙 |
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