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