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