rock hardness ratio
相关英语词汇推荐
- discharge hydrograph
- artificial radioactive element
- descloizite
- limonite
- ala twin
- acid geochemical barrier
- cuesta
- soil subtype
- volcanic ejecta
- rock terrace
- temperature barrier
- sial
- greenwich meridian
- speciation
- old plate tectonics
- layering of relief
- Suspended solids
- ferganite
- organoclay
- precision processing