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.

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不同图幅数字化矿图模板文件的创建，加快了绘图速度，保证了各种图形文件使用标准的一致性。

Creation of different types of digital mine-map template files increases the speed of drawing and ensures the standard consistency of a variety of graphic files.

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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.

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