- In the production process of Huopu Mine, advance mining method was temporarily adopted in local area due to the impact of underground water and geologic structure in front of the working face.
- It introduces the application of directional drilling technology in the dissolvable mine,which aims to exploit an advanced mining means for dissolvable mine.
- Application of Local Advance Mining Method in a Working Face
- That pact didn't advance peace among nations.
- Can I have an advance against next month's salary?
- He went heels over head into buying mining stock.