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Terms for subject Mining containing 坚 | all forms
| Chinese | English |
| 坚固岩层 | competent bed |
| 坚固稳定岩石 | competent rock |
| 坚固顶板 | fast top |
| 坚固顶板 | fast roof |
| 坚实地层 | standing ground |
| 裂缝封堵坚实度 | fracture plugging consistency |
|
| Chinese | English |
| 坚固岩层 | competent bed |
| 坚固稳定岩石 | competent rock |
| 坚固顶板 | fast top |
| 坚固顶板 | fast roof |
| 坚实地层 | standing ground |
| 裂缝封堵坚实度 | fracture plugging consistency |