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Terms for subject Oil / petroleum containing hard rock | all forms | exact matches only | in specified order only
| English | Chinese |
| hard rock | 硬岩石 (纵波速度大于2500m/s) |
| hard rock coring tool | 坚硬岩石井壁取心器 |
| hard-rock geology | 硬岩地质 |
| medium hard rock | 中硬岩石 |
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| English | Chinese |
| hard rock | 硬岩石 (纵波速度大于2500m/s) |
| hard rock coring tool | 坚硬岩石井壁取心器 |
| hard-rock geology | 硬岩地质 |
| medium hard rock | 中硬岩石 |