roof rock的意思|示意
顶盖岩
roof rock相关短语
1、 false roof rock 伪顶岩石
2、 salt-roof rock 盐盖层
3、 Roof rock mass 顶板岩体
4、 roof rock beam 顶板岩梁
5、 roof rock feature 顶板岩性
6、 multiple roof-rock 复合顶板
7、 roof-rock drilling 高位钻孔
8、 workplace roof rock 采场顶板
roof rock相关例句
The assessment is helpful for improving monitoring and control of roof rock stability during coal exploitation.
该评价结果有助于在煤矿开采过程中加强不同区域煤层顶板的管理及科学地指导工作.
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The results show that the designed parameters are reasonable and there is a little damage for roof rock mass.
研究表明设计的爆破参数能合理爆落设计范围内的岩体，且对顶板围岩不致造成过大的损害。
The assessment is helpful for improving monitoring and control of roof rock stability during coal exploitation.
该评价结果有助于在煤矿开采过程中加强不同区域煤层顶板的管理及科学地指导工作。
The two topic technologies can be realized by detecting structure instrument of the roof rock and micro-deformed monitoring instrument.
论述了两项关键技术分别由顶板岩层结构探测仪和顶板微变形监测仪两个仪器来实现。