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1·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。

2·The mine began operating in 1990.

该铜矿于1990年开始运营。

3·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。

4·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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。