Many of the best ideas come from doctors at the coalface.
许多最好的主意都来自临床医师。
The structure is compact, and the water pump covers small area. It accord with the need of the coalface.
该喷雾泵结构紧凑,占地面积小,符合采煤工作面的要求。
These conclusions are confirmed by 1203 coalface in which water bursting occur but sand bursting not when mining.
顶板基岩很薄的1203工作面开采出现突水而未溃沙证实了这些结论。
The structure of the water pump is compact, and the water pump covers small area. It accord with the need of the coalface.
该喷雾泵结构紧凑,占地面积小,符合采煤工作面的要求。
Visitors can dress up in jumpsuits and hard hats and descend in a creaking elevator to the coalface 300 metres below the surface.
参观人员穿上工作服和安全帽,乘坐吱嘎直响的升降梯下降到地面300米以下的产煤面。
Gas explosion accidents on the coalface of mines are studied, using minimal cut set, minimal radius set and structural importance.
应用事故树分析中的最小割集、最小径集和结构重要度,对矿井采煤工作面瓦斯爆炸事故进行了研究。
The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining.
根据短壁开采条件下保护煤柱的布设特点,建立由保护煤柱支承的关键层力学分析模型。
Based on some typical examples of gas explosions on the coalface, the basic events resulting in gas explosions are generalized and a fault tree is drawn.
根据矿井采煤面瓦斯爆炸的一些典型事例,概括出导致瓦斯爆炸的基本事件,编制了采煤工作面瓦斯爆炸事故树。
At the small Bandingliang colliery, the pit has been dug so far into the hillside that truck drivers take 30 minutes to reach the coalface, fill up and return with their load.
在板定梁煤矿,矿井已被挖进山体深处,卡车司机开了30分钟才到达采煤工作面,装上煤之后满载而归。
Coalface of Daizhuang Coalmine, the authors believe that the roof in lower seam will form the "block-bulk-beam" structure easy to fall after the mining of top ultra-close seam.
通过对岱庄煤矿4300采区工作面的顶板结构分析,得出了上部极近距离煤层开采后,下部煤层顶板形成极易漏冒的“块体-散体-梁”结构。
It provides a new model to guide the on-spot work and do safety education for workers by vividly simulating Craftwork Process and complex environment of Fully Mechanized Coalface.
最终生动、逼真地模拟出综采工作面的生产工艺和复杂的作业环境,从而为指导现场生产、做好职工安全教育提供了一种崭新模式。
It has been proved by the field experiment that the method of rotary radial jet discharging gas accumulating in upper corner of coalface is really safety, dependable, economical and validly.
试验表明,旋转径向射流可安全、可靠、经济、有效的排放上隅角积聚瓦斯。
It has been proved by the field experiment that the method of rotary radial jet discharging gas accumulating in upper corner of coalface is really safety, dependable, economical and validly.
试验表明,旋转径向射流可安全、可靠、经济、有效的排放上隅角积聚瓦斯。
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