查询词典 coal mining

In order to solve the technical problems of mining strip extraction coal-pillar and waste disposal, the waste substitution extraction is proposed.

针对建下条采煤柱回收和井下矸石处理的重大技术难题，提出矸石置换开采。

It won't go easily, however, and as it slowly collapses it will be the poor and the young who will suffer the brunt of its struggle to keep going -- desperate and indiscriminate drilling in the oceans and arctic, strip-mining for dirty coal and bitumen sludge, privatization of scarce water, massive incarceration and curtailment of civil freedoms, more cities written off like New Orleans, ghastly famines and floods in struggling nations, the eradication of life savings and pensions, the collapse of health systems, expropriation of property, soaring suicide rates, and unimaginable ubiquitous poverty.

它不会很容易达到预期效果，然而，正如它慢慢地崩溃一样，穷人和年轻一代是首当其冲的受害者，并且要持续地去承受这场战争所带来的冲击——在海洋和北极圈绝望地、不分青红皂白地开采，翻天覆地式的挖掘煤炭和沥青，稀缺的水资源私有化，大规模的监禁和限制公民自由，像新奥尔良一样更多的城市被注销，国家在可怕的饥荒和洪水中挣扎，毕生积蓄和养老金被消除，崩溃的卫生系统，人个财产被征用，自杀率飙升……不可想象的贫困无处不在。

Para 1 The two lane road into Beattyville, Kentucky, twists through breathtaking Appalachian foothills, past rusty machinery and heaps of broken coal left over from the last strip-mining boom.

通向肯塔基州贝蒂维尔的只有两个车道的公路蜿蜒曲折，穿过景色迷人的阿巴拉契亚山丘，沿途到处可见上一次露天采煤热潮后丢弃的锈迹斑斑的机器设备以及一堆堆的碎煤。

Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.

分析了放顶煤开采顶煤冒放性的影响因素。

This valve is widely used in building material, mining, coal, chemical, metallurgy and thermoelectricity industries etc.

锥形锁风阀广泛适用于建材、冶金、矿山、煤炭、化工、热电等行业，用于物料输送的自动调节及控制，防止野风的进入，确保系统正常运行。

Mine production Dispatching winch system is the most commonly used in electrical and mechanical equipment, mainly for underground coal mine and other mines in the dumping of less than 30 degrees angle of the roadway in the haulage mine car handling and other auxiliary work, can also be used for mining and tunneling Face Face loading station on the scheduling grouping tramcar.

调度绞车是矿山生产系统中最常用的机电设备，主要用于煤矿井下和其他矿山在倾角度小于30度的巷道中拖运矿车及其它辅助搬运工作，也可用于回采工作面和掘进工作面装载站上调度编组矿车。

Therefore, this paper fuzzy clustering method, first of all to highlight the dangers of all kinds of mining coal seams of each index measured data as samples to establish fuzzy similar matrix, find the transitive closure, re-use to do clustering, plot dendrogram.

所以本文利用模糊聚类方法，首先把矿区内各种突出危险性煤层的各指标的实测数据作为样本，建立模糊相似矩阵，求出传递闭包，再利用做聚类，画出聚类图。

Products: The main application of two-way switch cord in metallurgy, electric power, coal and rock, mining and chemical industries such as transportation systems, conveyor automation and control is an indispensable component of the sensor, the product is a tape transport at the scene of emergency shutdown the protection device.

产品介绍：双向拉绳开关主要应用在冶金、电力、煤岩、矿山及化工等行业的输送系统中，是输送机自动化控制不可缺少的传感元件，本产品是一种胶带运输机现场紧急事故停机的保护装置。

Coal resources development to Fuyuan County economic development and social development important support function, but also has simultaneously initiated a series of ecological environment question, the mining area already typify, the serious damage ecosystem.

煤炭资源的开发对富源县经济建设和社会发展起到了重要的支撑作用，但同时也引发了一系列的生态环境问题，矿区已成为典型的、严重受损的生态系统。

A coal mine doesn't appear unstability when it is developing.It must combine mining technology with resources condition.

为了使一个矿井在其发展过程中不出现大起大落，必须做到开采技术与资源条件的有机结合。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。