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How to distinguish between reverse faults and normal faults? The formation mechanism and identification method of normal faults and reverse faults
How to distinguish between reverse faults and normal faults? The formation mechanism and identification method of normal faults and reverse faults
2025-07-21
How to distinguish between reverse faults and normal faults? In geology, rev
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Hydraulic anchor drill, a device used for anchor support operations in coal mines, tunnels and other projects
Hydraulic anchor drill, a device used for anchor support operations in coal mines, tunnels and other projects
2025-07-19
Hydraulic anchor drill is a kind of equipment used for anchor support operat
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In the construction of vertical shafts, what are the installation standards for support structures and guardrails?
In the construction of vertical shafts, what are the installation standards for support structures and guardrails?
2025-07-18
During the shaft construction process, the installation standards of the sup
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How are the standards for rock hardness classification established?
How are the standards for rock hardness classification established?
2025-07-17
Shield Tunneling Machine is a heavy mechanical equipment used for tunneling.
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What is the difference between soft rock and hard rock? What impact do soft rock and hard rock have on engineering construction?
What is the difference between soft rock and hard rock? What impact do soft rock and hard rock have on engineering construction?
2025-07-16
Soft rock and hard rock are two common types of rocks in geology. They have
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How are the standards for rock hardness classification established?
How are the standards for rock hardness classification established?
2025-07-15
The standards for rock hardness classification are usually based on a variet
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What is a Shield Tunnel Boring Machine? Introduction to the two types of Shield Tunnel Boring Machines
What is a Shield Tunnel Boring Machine? Introduction to the two types of Shield Tunnel Boring Machines
2025-07-14
What is a shield tunnel boring machine? A shield tunneling machine is an adv
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What is open cut method? Characteristics, advantages and limitations of open cut method
What is open cut method? Characteristics, advantages and limitations of open cut method
2025-07-11
Open cut method is a common underground engineering construction method. The
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What are the advantages and disadvantages of drilling and blasting tunneling equipment when working?
What are the advantages and disadvantages of drilling and blasting tunneling equipment when working?
2025-07-10
Drilling and blasting is a traditional rock excavation method that uses a dr
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