Finally, the strata control observation dat shows that gateway deformation was under control by this plan, and the better economic benefit was obtained.
巷道矿压观测数据表明该方案有效的控制了巷道变形与破坏，取得良好的经济效益。
Finally, the strata control observation dat shows that gateway deformation was under control by this plan, and the better economic benefit was obtained.
巷道矿压观测数据表明该方案有效的控制了巷道变形与破坏，取得良好的经济效益。
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