您要查找的是不是:
- empty roof mining space 顶板走向采空区
- Based on the analysis of the survey of 2116 downhill area,provide three kinds of mining plans,finaly, determin the compound roof mining plan is the optimum one. 在分析2116下山区概况的基础上,提出了3种开采方案,最后选定托复合顶板开采为最佳方案。
- Distribution and transfusion of the geostatic pressure variate in company with mining space in underground mining. 地下开采中地压分布与转移随开采空间变动而变动,不同的开采顺序会带来不同的围岩稳定性。
- The successful applications of controlled blasting technology of false roof mining in Gaozhuang Mine of Pingdingshan Mining Bureau have attained outstanding economical &social benefit. 平顶山矿务局高庄矿的实践应用得出,控制爆破技术在托伪顶开采中的应用是成功的。
- This article tells of internal emission of mining space in east mining section after enlarging Lanqiao mine region of Liancheng Mine under the condition of the limit of volume of toppling earth. 摘要介绍福建省连城锰矿兰桥矿区扩大露采后,现有大禾底排土场的容量不能满足新增废石量的情况下,对东采场采空区内排方案进行的探讨。
- Distribution and transfusion of the geostatic pressure variate in company with mining space in underground mining.Different mining sequences bring about different stability of surrounding rock. 地下开采中地压分布与转移随开采空间变动而变动,不同的开采顺序会带来不同的围岩稳定性。
- She and I can't live under the same roof. 她和我不能住在一起。
- An open space under a roof; an attic or a garret. 阁楼,顶楼有屋顶的开阔地; 顶楼或阁楼
- In gases, the particles are far apart, with empty space between. 在气体中分子之间的距离很大,彼此之间有空隙。
- The roof of the mine caved in as a result of the explosion. 由于发生爆炸,矿井顶部坍塌了。
- He asked for a donation but went away empty handed. 他请求人们捐款,但离开时却一无所获!
- An empty stomach is not a good political adviser. 空肚子不是政治上的好顾问。
- fully-mechanized coal winning caving the roof mining 综放开采
- The baker empty several bags of flour into a bin. 面包师把几袋面粉倒入贮藏箱里。
- Don't always indulge in empty talk. 别总是纸上谈兵。
- internal emission of mining space 采空区内排
- His footsteps echoed (in the empty hall). 他的脚步声(在空荡荡的大堂里)产生了回声。
- The stone made a dent in the roof of my car. 我的汽车顶让石头砸了个坑。
- Snipers shot at the invaders from the roof tops. 狙击手从房顶上向侵略者射击。
- I had to empty out the drawer to find the papers. 我不得不倒出抽屉的东西以找出那些文件。