查询词典 coal-black

Supporting type is suggested to be developed into 3-prop to improve adaptability besides 2-prop and 4-prop. The difference of caving difficulty degree of coal seam is the base of caving coal method at high, medium and low position. Caving with small step and open caving flashboard used widely not only cause serious mixture of coal and rock but also hinder the improvement of top coal recovery. So we suggest caving with large step or closing caving door. Four-bar-mechanism of hydraulic support restricts development of new style caving powered support. Stabilization framework of expansion link and all-shield caving tail beam at high, medium and low position are introduced here.

支架支护型式，除了两柱、四柱以外，建议开发三柱支架以改善适应性；煤层冒放性的差异，是高位、中位和低位放煤方法存在和使用的依据；目前广泛采用的小步距放煤和开放式放煤插板不仅造成严重混矸漏矸，也妨碍顶煤回收率的进一步提高，建议采用大步距放煤和可关闭放煤口；液压支架四连杆稳定机构，制约了新型放顶煤液压支架的开发，介绍了液压支架伸缩杆稳定机构及全掩护拖移高位、中位和低位放煤尾梁。

The testing proves that it is available to ensure the working faces safety and increase the top-coal recovery that forcing blast top-coal and roof when the faces early working. The forcing blast method of the end top-coal is available, safety and reliable, it has a markedly effect to increase the recovery of the hard coal face.

试验证明，初采阶段采取强制爆破措施放出顶煤和顶板，是红会一矿坚硬特厚煤层综放工作面保证初采安全和提高初采顶煤回收率的有效措施，工作面端头的爆破强制破碎和放落顶煤，切实可行，安全可靠，对提高坚硬煤层综放工作面回采率效果显著。

With the booming development of the coal industry in Shanxi Province, coal has become a necessity of life for every household, and this calls for a coal information gathering and enquiry platform, thus, Shanxi Coal Information Website was developed basing on the OpenCms technology.

随着山西省煤炭产业的蓬勃发展，煤炭已成为各家各户的生活所需品，这就有必要有个煤炭信息的收集和查询的平台，山西煤炭信息网就是基于OpenCms技术开发的一个网站。

There are coal, iron, sulfur, arsenic, lead, zinc, fluorite, Iceland spar, barite, crystal stone, gypsum, limestone, silica, clay and other 20 kinds of mineral resource. It also has proven the reserves of 3.3 billion tons of coal, There are rich seam for the development and utilization of coal-bed methane, coal-producing counties are key.

境内有煤、铁、硫、砷、铅锌、萤石、冰洲石、重晶石、水晶石、石膏、石灰石、硅石、粘土等20余种矿产资源，已探明煤炭储量33亿吨，煤层中蕴藏着丰富可供开发利用的煤层气，是全国重点产煤县。

The coal-forming model s in late permian eporch in Guangxi are divided into "two classes and three types", the two classes are peat bog coal-forming model and peat flat coal-forming model , the three types are bog type, tidal flat type and peat flat type coal-forming model s.

广西晚二叠世成煤模式划分为"两类三型"，即泥炭沼泽成煤模式和泥炭坪成煤模式两类，沼泽型、潮坪型和泥炭坪型等三型。

Power plant of pithead of this coal company is to use what produce inferior coal and coal washing plant oneself is medium the item of integrated interest expenditures that coal makes fuel.

该煤炭企业坑口电厂是利用自产劣质煤和洗煤厂的中煤作燃料的综合利用项目。

Based on the production and supply of the coal industry in China, the capital construction projects and their investments in coal industry are investigated. Based on relative data from 1991 to 2000, a system dynamics model for coal suply and investment is formulated under the requitement of coal demand for building a well-off society in an all-round way. Meanwhile, policy analysis of investment for the throughput of state-owned colliery is made and the satisfied results are also obtained.

本文根据我国煤炭生产和供应的实际情况，对全国煤炭工业矿井基本建设项目及其投资情况作了调查，以1991至2000年之间的历史数据为依托，建立了全面建设小康社会期间煤炭需求作用下的全国煤炭生产供应系统动力学模型，并对全面建设小康社会期间国有煤矿供应能力开展了煤炭投资政策分析，取得了一些有意义的结果。

Taiyuan in the "sea of coal" in the central, on the geological reserves of coal, Taiyuan, said "the Department of Taiyuan Coal", the province's seventh largest reserve, Shanxi Coal is the main component of the resource.

太原处在"煤海"中部，地质上称太原的煤藏为"太原系煤"，储量居全省第七位，是山西煤炭资源的主要组成部分。

As the international coal and sea freight have fallen sharply, international coal prices in Hong Kong have been close to or even lower than the domestic price of coal, the international price倒逼pressure on domestic coal prices are increasing.

由于国际煤价和海运费的大幅下滑，国际到港煤价已逼近甚至低于国内煤价，国际价格倒逼国内煤价的压力正在加大。

Through years of operation, the hotel has set up two coal-sea food and beverage, coal Hai Restaurant grains, coal sea 3, coal grains Second sea outlets.

通过多年的运营，宾馆先后开设煤海餐饮二部、煤海杂粮食府、煤海三部、煤海杂粮二分店。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。