矿业英汉词典
- open end method
- open height
- open hole
- open light mine
- open nog
- open pit bench
- open pit method
- open pit mine
- open stope method
- open stope mining
- open test pit
- open water drilling
- open work
- opencast
- opencast coal mining
- opencast explosive
- opencast mining
- opencast mining machinery
- opencast mining method
- opening
- opening driving
- opening for drainage
- opening of mine
- opening up
- opening up by adits
- opening up by blindshaft
- opening up by inclined shafts
- opening up by tunnels
- opening up by vertical shafts
- opening up individually
- openings network
- operating conditions
- operating costs
- operating expenses
- operating mine
- operating platform
- operating region
- operation
- operational regulations
- operator
- ophicalcite
- ophiolite
- ophite
- optical
- optical indicator panel
- optical property
- optical transit
- order
- ordinary lay
- ore