-
-
-
-
Honor
-
-
-
-
-
Contact
-
What is cutting face?
Release time:
2022-11-02
Author:
Source:
What is cutting face?
- What is cutting face
Cut in the coal mine, refers to the connection of coal mining face into the return air lane roadway, coal mining face all equipment are arranged in the space. Opening and cutting refers to the construction of this section of roadway. When large-scale roof fall of coal mining face, protective coal pillars are set up, and large-scale geological structures cannot be passed safely by other methods, another opening and cutting must be adopted.
This article is reproduced from the Internet, if there is infringement, please contact delete.
Key words:
What, coal mining, working face, adoption, roadway, layout, interior, construction, all
Previous Page
Previous Page:
