The roof abscission layer is the biggest security hidden danger in bolting support tunnel.

顶板离层是锚杆支护巷道最大的安全隐患之一.

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There exits bed separation zone above water - conducting crack zone overburden after coal mining.

煤层采后覆岩中的导水裂隙带之上存在离层带.

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The monitoring of roof - off - the - strata is one of the most important factors in bolting support roadway.

顶板离层监测是锚杆支护监测最重要的内容之一.

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This paPer exPlored the influencing factors on the law of distribution anddemarked them tWo classes.

本文深入研究了对覆岩离层分布时空规律的影响因素,将其划分为两大类.

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The utility model relates to a multi - point displacement measuring indicating instrument for rock separation layer.

本实用新型涉及岩石离层多点位移测量指示仪.

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