geoglogy condition of coal layer 煤层开采地质条件
layer combustion of coal 煤炭层状燃烧
layer of pulverized coal ash 粉煤灰地层
There's a thin layer of coal between the two layers of rock.
在这两层岩石之间有一薄层煤。
In order to realize the real-time dynamic monitoring the roof abscission layer of coal mine gallery, the KJ132 roof abscission layer monitoring system based on CAN is researched and developed.
为了实现井下巷道顶板离层的实时动态监测，自主研发了基于CAN总线的KJ132顶板离层监测系统。
According to the results, the composite model is advised to evaluate the bursting liability of coal or rock, considering the characters of frame and cover in point of the layer of coal and rock.
同时考虑到实际煤岩层结构特点与覆存特性，建议采用组合模型来评价煤岩冲击倾向性。
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