满足数字化矿图的精度要求是实现数字矿山的重要保证。
Precision of digital mining map is a guarantee of realizing digital mine.
超化矿采用注射马丽散材料加固破碎顶板技术，使帮顶的完整性和稳定性加强，取得了很好的效果。
Chaohua Coal Mine adopts the technology of injecting Malisan material to reinforce broken roof. The method makes the roof more completed and steady and has achieved good results.
文中明确定义了矿图数字化的概念，提出了5种数字化矿图的方法及其应用条件，供各类矿山企业依实际条件选用。
This paper clearly defined the concept of mining? Drawing, and put forward 5 digitizing mining? Drawing methods and their application conditions.
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