PREVIEW
... l.
This is beneficial for tunneling ventilation, drainage, and also for subsequent coal exploration.
Of course.
The disadvantages of this approach are obvious.
The cable relocation is complex, which will affect the passage of hydraulic supports, and no openings can be made.
Also, maintenance is difficult, and the tunneling cost is high.
However, for our camp, cost is the least of our concerns."
Lin Ziming nodded in agreement.
As Fei ...
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