The application of a new system for developing an operating mine is a complex problem whose solution is expected to satisfy a number of conflicting requirements.

将一种新的采矿方法应用到已采矿山会有许多复杂的问题有待解决，因为相互矛盾的要求需要得到满意的解决。

The mine began operating in 1990.

该铜矿于1990年开始运营。

After the earthquake, the epicenter about 15 kilometers away from the mine, quickly operating more than 200 miners were underground to evacuate all without casualties.

地震发生后，这座距离震中大约15公里的煤矿，迅速将200余名井下作业矿工全部撤离，无人员伤亡。

A small truck or car, operating on a track and used in a mine, quarry, or factory for conveying materials.

小矿车，小贷车：在轨道上运行的小型卡车，且用在矿场、码头或工厂运送物品材料。

Curved diffuser is an important auxiliary component of main fan installations of mine, whose performance directly influences the operating efficiency of the installations.

扩散弯道是矿井主要通风机装置的重要辅属装置，其性能的优劣直接影响通风机装置的运行效率。

Rossing uranium mine is the only operating uranium mine in the world where the uranium occurs in intrusive alaskite.

罗辛铀矿山是目前世界上惟一尚在运营中的侵入体白岗岩型铀矿。

The order volume amounts to around 40 million euros and the new mine is scheduled to start operating in the middle of 2008.

订单量总计大约为4千万欧元，新矿厂预计在2008年中开始投入运营。

This paper introduces the work principle of four-quadrant operating high-pressure frequency converter, and its application in coal mine auxiliary shaft winch innovation system.

介绍了四象限运行高压变频器的工作原理，并应用到煤矿副井绞车改造系统。

Introduces the operating principle, the product structure characteristic of brushless rheostat starter and usage state in the Bailong coal mine preparation plant.

介绍了无刷变阻起动器的工作原理、产品结构特征，以及在白龙矿洗煤厂的使用情况。

This has extremely vital significance for production of open-pit mine and maintenance safety of operating personnel and the equipment.

这对指导露天矿的生产和维护作业人员及设备的安全具有十分重要的意义。

The operating principles and performances of the USG-5 Hydraulic Breaker are presented in the paper. Application of the breaker in Pingguo Bauxite Mine is described.

本文描述了U SG-5型液压碎石机工作原理及性能，介绍了其在平果铝土矿的生产应用情况。

The mine drainage centrifugal pump operating in the piping with high resistance have smaller fluorite and lower efficiency .

矿山排水离心泵在阻力偏高管网中工作时，其流量偏小，效率低。

A brief description of the operating principle, features and application of automatic hydraulic tensioning devise for belt conveyors is given, which is a guide to using them correctly in coal mine.

简要介绍自动液压张紧装置的工作原理、特点和适用场合，对煤矿正确使用自动液压张紧装置具有指导意义。

This report is concerning the operation performance, productivity, operating cost, existing problems and proposals for improvements of underground iron mine LHDs in China.

介绍了我国地下铁矿铲运机使用情况、出矿效率、成本、存在问题及改进意见。

Good communication, expression and interpersonal skills, practical experience in overseas mine operating is preferred.

良好的组织、协调和沟通能力，具备海外矿山运作经验者更佳；

This article introduces the application and transform of the PLC programmable controller and liquid move-board chain type trolly system in Renlou mine assistant shaft operating system.

介绍PLC可编程控制器及液动板链式推车系统在任楼矿副井操车系统中的应用与改造。

This paper introduces the structure and the operating principle and technical characteristic of the measurement and control system of power net in coal mine.

介绍了煤矿电网测控系统的结构、工作原理、技术特点。