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