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Selection of rock drilling tools for underground mines and roadway excavation

25-02-2022
What are the classifications of down-the-hole drill bits?

16-02-2022
The use method of drill rod

20-01-2022
The importance of research and development of drilling tools and precautions for the use of drill pipes!

18-01-2022
Introduction to the heat treatment process of heavy drilling tools

07-01-2022
Factors affecting the efficiency of rock drilling tools

31-12-2021
The problem of easy negligence in the use of drill pipe(rock drilling tools)

30-12-2021
DTH hammer is a kind of basic equipment needed for drilling engineering

02-12-2021
Popular science knowledge of down-the-hole（DTH） hammer

01-12-2021
Maintenance of air-leg rock drill jack hammer

30-11-2021

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