There's a thin layerofcoal between the two layers of rock.
在这两层岩石之间有一薄层煤。
2
In order to realize the real-time dynamic monitoring the roof abscission layerofcoal 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。
3
According to the results, the composite model is advised to evaluate the bursting liability ofcoal or rock, considering the characters of frame and cover in point of the layerofcoal and rock.