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