查询词典 coal pit

Based upon the above causes, taking the Hongmiao colliery"coal bed 5-1 south working face conveyance laneway on Sector 5 of Pit 2"for the project example, it can be known through primordial rock stress test result that Sector 5 of Pit 2 belongs to high-stress area, whereas wall rock is a class V terrane with terribly labilization.

基于上述原因，以红庙矿"二井五采区5-1煤层南一工作面运输巷道"为工程实例，通过原岩应力测定成果可知，二井五采区属于高应力区，围岩属于V类极不稳定岩层。

The paper mainly deals with the analysis and design of coal sales management system of YuanBaoShan open pit coal mine.

本文主要对元宝山露天煤矿煤炭销售管理系统进行了分析及设计。

The acid water in coal pit can be well controlled by adding calcium carbonate and lime.

同时也介绍了处理酸性水的流程。阐述通过添加碳酸钙和石灰，可使酸性采煤坑水得到很好治理。

Through the application in the coal pit, it pro ves that the adsorption behavior of the cement particle could be improved by the addition of water-soluble polymer and surface active agent.

同时利用水溶性聚合物和表面活性剂改善水泥粒子的吸附性能，借助扫描电镜分析研究了添加剂与水泥粒子的吸附作用机理。

KEN CAPSTICK, National Union of Miners: What they would say was that in America, for instance, coal produced at the pit head was cheaper than coal produced at the pit head here.

KEN CAPSTICK，全国矿工工会：他们要说的是美国产的煤，例如，比英国产的煤便宜。

According to the technological characteristics and the real conditions of Open Pit Coal Mine of Heidaigou, planning of the reclamation of Open Pit Coal Mine of Heidaigou was researched.

根据黑岱沟露天煤矿工艺特点和矿山具体条件，对黑岱沟露天煤矿的土地复垦规划进行了研究。

Coal electric drill is the one of the implements of production to excave coal in the pit .The install environment of coal electric drill and power supply system is odious .

煤电钻是井下采掘工作的主要生产工具之一，煤电钻及其供电系统安装环境劣，与工作人员接触频繁，故障率高。

Zhenrong Company main products are: box-type furnace, furnace cars, Pit Carburizing Furnace, Pit Type Furnace, Pit nitriding furnace, electric oven blast, salt-bath furnace, mesh belt electric furnace, new coal-fired reverberatory furnace, rod heat treatment furnace, glass-lined equipment, resistance furnace and various industrial furnaces, and undertook a variety of industrial electric furnace repair and supply of various electric fittings.

振荣公司主要产品有：箱式炉、台车炉、井式渗碳炉、井式回火炉、井式氮化炉、电热鼓风干燥箱、盐浴炉、网带式电炉、新型燃煤反射炉、抽油杆热处理炉、搪玻璃设备电阻炉及各种工业用炉，并承接各种工业电炉的维修及供应各种电炉的配件。

The Longgu mine pit which total investment RMB3.06 billion Yuan, the annual output amounts to 10 million tons, will be official the coal in 2007 primarily, it will cause Longgu town to become the heavy industry processing base which takes the coal resources as the leadership, gethering coal electricity, carbonification, machine-finishing.

能源以总投资30.6亿元，年产量达1000万吨，于2007年正式出煤的龙固矿井为主，将使龙固成为以煤炭资源为主导，拓展煤电、煤化、机械加工等重工业加工基地。

This article according to mine pit coal mining to cause the principle which the mine shaft coal bed gas pressure reduces, taking the PanJiang mining area mining coal bed as the research object, it has analyzed the reserves and the saves condition which the PanJiang mining area coal bed was mad

本文根据矿井煤炭开采引起井下煤层气压力降低的原理，以盘江矿区开采煤层为研究对象，分析了盘江矿区煤层气的储量和赋存条件

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐