With analysis on present use of coal resources, a new way of coal resource exploitation and its availability are discussed.
在分析燃煤工业资源利用现状基础上，探讨了燃煤工业资源开发的新途径。
Research works on evaluation of coal resources in middle exploitation stage have been conducted and the basic rules and thoughts have been brought forward. Based on these, No.
对处于开发中期阶段的煤炭资源评价进行研究，提出了建立开发中期煤炭资源综合评价体系的基本原则和思路。
The drainage in a coal mine under exploitation may give a strong impact on the underground water flow regime, causing negative influence on the development of the groundwater resources.
煤矿开采过程中的矿坑排水对地下水流场和地下水资源利用具有强烈影响。
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