Evaluation of Sublevel Caving Method for Vertical Deep Hole Falling

(1) Advantages: 1 Simple structure; 2 Easy to promote the use of mechanized equipment.
(2) Disadvantages: 1 The flexibility of the application is poor; 2 There is also a level of engineering.
(3) Improved direction as following: â‘  mechanized drilling; â‘¡ achieve mechanization charge.

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