The theory of key strata in ground control provide a theory foundation for the green coal mining research.
岩层控制的关键层理论为绿色开采研究提供了一个理论平台。
This article puts forth a technology to apply fuzzy control to the coal strata injection and a way to ensure the effectiveness of injection.
用模糊控制理论与方法对煤层注水进行控制的技术，因而保证煤层注水的效果。
The theory and control technology for migration of roof strata and surface subsidence caused by mining operation are a part of the study of natural calamity all over the world.
煤矿开采引起覆岩及地表沉陷的控制理论与技术研究是涉及全球性灾害学科的研究内容之一。
The theory and control technology for migration of roof strata and surface subsidence caused by mining operation are a part of the study of natural calamity all over the world.
煤矿开采引起覆岩及地表沉陷的控制理论与技术研究是涉及全球性灾害学科的研究内容之一。
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