echelon structure
相关英语词汇推荐
- in situ theory
- groundwater discharge
- monothermite
- dasymetric representation
- broggerite
- corundophilite
- churchite
- catpleite
- littoral shelf
- anticlinorium,composite anticline,compound anticline
- buried anomaly
- anomaly in alluvium
- permanent hardness
- medium thickness seam
- composite aerial photographs
- senaite
- well development
- alvite
- ciminite
- cipolino