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coal-black相关的网络例句

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与 coal-black 相关的网络例句 [注:此内容来源于网络,仅供参考]

Although a slight increase in coal production, but the National Coal Railway traffic substantially reduced to a quarter of the coal rail capacity for 300 million tons, 28.8 million tons year-on-year reduction, down 8.6%.

虽然煤炭产量略有增加,但全国煤炭铁路运量大幅减少,一季度煤炭铁路运量为3亿吨,同比减少2880万吨,下降8.6%。

During the development of Coal Industry in KunMing, what is the strategic position of Coal Industry in our city on earth? How to lay out ? Which problems should be soluted emphatically ? It promotes the sustainable,stable and well-liking development of the whole Coal Industry in order to be satisfied with the requirement of National Economy development.

在昆明市煤炭工业发展过程中,煤矿企业究竟占有怎样的战略地位,应该怎样布局和规划,应着重解决哪些主要问题,能促使煤炭工业持续、稳定、健康的发展,以适应国民经济发展的需要。

At the same time, the author put forward that coal tar resources should be utilized scientifically, can not construct blindly processing facilities of coal tar, construct or reconstruct the processing item of coal tar, the scale should base on 300 thousand tons and develop to 600 thousand tons.

同时,提出要科学利用煤焦油资源,不要盲目建设煤焦油加工设施,建设或改造煤焦油加工项目,规模要以30万t为基础,向60万t方向发展。

Research on coal caving characteristics and caving technology for fully mechanized top coal caving mining face in thick seam with complicated parting structure;2. On the basis of mechanical property test of rock, the characteristic of combination system for coal and rock parting were thoroughly studied.

在煤岩力学性能试验的基础上,对煤矸组合系统的力学特性进行了较为深入的分析,揭示了含夹矸顶煤的破碎机理,建立了确定含夹矸层厚度上限值的方法,由此提出了提高含夹矸顶煤冒放性的主要技术措施,并在现场应用中取得了满意的效果。

The coal seam of No. 5102 face in Wuyang coal mine is steep, soft, and undulate. Aiming at this problem, the displacement and stress of top coal, roof and floor were researched by using UDEC software.

针对五阳煤矿5102工作面倾角大、煤层松软、煤层起伏大、综放开采的条件,利用UDEC数值模拟软件分别通过沿工作面走向和倾向剖面建立模型,对顶板、底板的位移和应力变化进行了研究。

The actual distribution of unload zone of coal seam ahead of working face can be shown by continuously testing the initial gas flow from coal seam during hole drilling, which can be used to forecast the outburst danger of coal roadway.

连续测定钻进过程中的初始瓦斯流量可以反映工作面前方卸压带的实际分布,从而准确地预测煤巷的突出危险性。

It was shown that coal seam floor failure depth of working face 2121 was 32.5 to 5 m, approximately three times as deep as that of shallow working face(in genera l,9.15 to 12.0 m). Coal seam floor failure depth increased with mining depth. Potential risk of water inrush through coal seam floor of working face 2121 is much higher for deep mining than for shallow mining.

试验结果表明:该工作面底板破坏深度为32.5~35 m,比300 m采深以内的工作面实测深度(9.15~ 12.0 m)增加2倍以上,说明随着开采深度的增加,煤层底板采动破坏深度呈明显增大的趋势,因此,在水压和破坏深度二者同时增加的条件下,2121工作面深部煤层开采的突水危险性远远大于浅部煤层。

Unloading coal and the going up coal control system to be a public system comparatively huge in the heat and power plant ,its transport course is accomplishing byes way of the leather belt conveyer ,and the whole system carries the longer ribbon conveyer of distance to be gone here and there and come into contact with by many, this kind of leather belt transport plane gets extensively the use in builing productions such as material, chemical industry, foodstuff, machinery, iron and steel, metallurgy and coal mine etc.

摘 要:卸煤及上煤控制系统是热电厂中较为庞大的一个公用系统,它的输送过程是通过皮带输送机来完成,整个系统由多台输送距离较长的带式输送机串接而成。这种皮带运输机在建材、化工、食品、机械、钢铁、冶金、煤矿等生产中得到广泛使用。

Emulsion in coal mine to play a very important role, as the hydraulic mining machinery working media, particularly mine coal face, as hydraulic and hydraulic prop of the working media in the coal mine has been widely used mine support equipment known as the blood.

乳化液在煤矿生产中发挥着十分重要的作用,作为煤机产品液压传动的工作介质,尤其是作为煤矿采煤工作面液压支架和单体液压支柱的工作介质在煤矿井下得到了广泛的应用,被称之为煤矿支护设备的血液。

Coal gangue is industrial solid residues that are discharged when coal is excavated and washed in the production course of coal mine, and is one of the most industrial solid castoffs in our country.

煤矸石是煤矿生产过程中采煤和洗煤时被分离出来的废渣,是我国目前排放量最大的工业固体废弃物之一。

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