roof fall

美 
英 
  • un.冒顶；顶板崩落
  • 网络塌顶；顶板陷落；落磐

英汉

网络释义

un.
1.
冒顶
2.
顶板崩落

例句

释义:
全部全部,冒顶冒顶,顶板崩落顶板崩落,塌顶塌顶,顶板陷落顶板陷落,落磐落磐
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.
When the mistake operation takes place, the power of lift is turned off, the hoisting machine stop to work to guarding against roof fall.
当误操作发生时，升降机电源切断，卷扬机停止工作，防止冒顶事故发生，保证升降机工作安全可靠。
www.dcjzjx.com
2.
So the minimal uncontrolled roof-fall span, displacement angle and caving angle are studied by similarity simulation.
借助相似模拟试验，研究了顶板自然垮落的最小跨度、移动角和垮落角。
www.rockmech.org
3.
The sound emission characteristics and the causes for incorrect prediction of the stope roof fall at Tonglushan Mine were analysed.
对铜绿山矿采场冒顶的声发射特征和预报不准的原因进行了分析。
www.chemyq.com
4.
The II3123 face is a light type caving face of three-soft coal seam. the roof is cracked, sloughing and roof fall often occur.
石台煤矿II3123工作面为“三软”煤层轻放工作面，顶板破碎易掉，片帮、冒顶时常发生。
dictsearch.appspot.com
5.
7 - Two aerials meet on a roof - fall in love - get married. The ceremony was rubbish - but the reception was brilliant.
两根天线，在屋顶相识后，他们坠入爱河并结婚了。婚礼很糟糕，但是婚宴（接受信号）很棒。
article.yeeyan.org
6.
Defend is difficult since its stability is bad. It often brings face to roof fall. The roof management is very difficult.
由于其稳定性差、维护困难，经常造成工作面顶板冒落，给顶板管理带来了很大困难。
www.chemyq.com
7.
No rules is no game. 14: We must try to prevent the roof fall down I wanted to know what it meant to be a star.
没有规则就没有游戏。十四：我们必需设法避免房顶塌上去我曾想知道当一个明星意味着什么。
www.dhqzone.cn
8.
Law of Roof-fall Accidents in Working Face in Huainan Coal Mining Area and Its Control
淮南矿区采面顶板事故规律与防治
www.ilib.cn
9.
The Cause Analyses on Heavy Roof Fall Accident and its Preventive Measures
单体液压支柱工作面顶板事故的原因与防治
www.ilib.cn
10.
An Analysis of the Cause for Face Roof Fall Accidents and Preventive Countermeasures
工作面冒顶事故的原因分析和防范对策
www.ilib.cn