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