您要查找的是不是:
- He tried to regularize the management of coal mines. 他试图将煤矿的管理系统化。
- There used to be a lot of coal mines here, usedn't there? 这儿从前有过很多的煤矿,对吗?
- explosion of coal mines 煤矿爆炸
- The discovery of coal mine in the area enriched the people there. 这个地区煤矿的发现使得那里的人民富裕起来了。
- This paper gives a numerical method of coal mine hoist jour. 文章给出了矿井提升机行程的数字检测方法和提高行程检测系统可靠性的有效方法。
- The subsidence is one form of coal mine secondary of the geological calamity. 摘要采煤塌陷为煤矿山次生的地质灾害形式之一。
- We heard an explosion of loud laughter. 我们听到一阵大笑。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- The actuality of monitoring system of coal mine in china is introduced. 介绍了我国煤矿监控系统的现状,并由此提出了一种基于电力线通信的煤矿综合监控系统。
- The explosion of oil prices caused an economical crisis. 石油价格的急剧上涨引起了经济危机。
- In construction of coal mines the principle of protecting the cultivated land and utilizing the land rationally shall be adhered to. 煤矿建设应当贯彻保护耕地、合理利用土地的原则。
- To guide and administer qualification certification of coal mine directors. 指导和管理煤矿矿长资格证颁发工作。
- The explosiveness of four kinds of coal has been determined by testing two parameters,the lower explosion limit and the length of return fire. 为此,探讨了煤粉预热喷吹对混合煤粉爆炸性的影响,以期为强化喷煤燃烧提供一种新的有效工艺方法。
- There used to be a lot of coal mines in the south, but many of them have been closed, or are about to be closed. 南部过去曾有许多煤矿。但是其中许多已被关闭或者将要关闭。
- An explosion of gunpowder shatters a rock. 火药把岩石炸碎。
- Practice on Harnessing Spontanrous Combustion of Coal Gangue in Datong Coal Mines Group Co. 大同煤矿集团公司自燃矸石山治理实践。
- The explosion of bombs rent the serenity. 炸弹的爆炸声打破了四周的宁静。
- Lots of coal mines in neimenggu use the system of room and pillar and exploits only rooms but not pillars. 内蒙古地区很多煤炭生产基地多利用房式开采体系,只采煤房,不采煤柱。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Explosion of a bomb or shell in the atmosphere. 空中爆炸炸弹或炮弹的空中爆炸