roof caving

美 
英 
  • un.冒顶
  • 网络顶板垮落；初次落顶；垮落法

英汉

网络释义

un.
1.
冒顶

例句

释义:
全部全部,冒顶冒顶,顶板垮落顶板垮落,初次落顶初次落顶,垮落法垮落法
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
难度:全部全部,简单简单,中等中等,难难
1.
The upward filling method with tailings or waste rock were used in a certain gold mine, roof caving and wall caving occurred many times.
某金矿采用上向分层尾砂（废石）充填采矿方法回采，曾多次发生重大冒顶、片帮事故。
www.chemyq.com
2.
During the initial roof caving in the working face, through the observation of strata moving regularity of the different roof.
在采煤工作面初次放顶期间，通过对各类顶板矿压活动规律的观测，确定初次放顶的各项参数及计算方法。
www.chemyq.com
3.
and put forward the appropriate approach based on various types of roof caving accident.
并针对各类冒顶事故类型，提出了相应的处理方法。
www.qikan.com.cn
4.
Analysis to a roof-fall accident in a stepped coal face during initial roof caving
一起初放仰采工作面重大冒顶事故的分析
www.ilib.cn
5.
Analysis of the way for the main roof caving relating to the staggered sublevel caving method
错层位放顶煤方法老顶垮落方式分析
www.ilib.cn
6.
Prevention and Treatment for Methane and Spontaneous Combustion in Gassy Coal Seam Fully - mechanized Roof Caving Faces
高瓦斯煤层综放工作面瓦斯与自然发火的防治
www.ilib.cn
7.
Research and Application of Successive Mining-derivational-roof Caving Polytechnic
连续采矿顶板诱导崩落综合技术的研究与应用
www.ilib.cn
8.
Improving the Roof Caving of the Top Coal in the Comprehensive Mechanized Mining by Using the Deep-hole Blasting in the Technical Tunnel
用工艺巷深孔爆破法改善综放开采中顶煤的冒放性
www.ilib.cn
9.
The design of light-duty roof caving coal hydraulic support equipped with flat tramcar
轻型放顶煤液压支架配套平板车设计
www.ilib.cn
10.
Roof Caving Technology Used in Complicated "Three Soft" Seam
“三软”复杂煤层放顶煤开采技术
scholar.ilib.cn