| 释义 |
roof separation layer
基本例句
顶板离层
The roof separation is the great safe peril in bolter support roadways.顶板离层是锚杆支护巷道最大的安全隐患之一。
The data of roof separation is considered to be a comprehensive index that can forecast the stability of roadways.顶板离层值是一个能预测巷道稳定性的综合指标。 |