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