General bituminous coal mining; Motor freight.
一般烟煤开采；汽车货运。
A large of AC motor-driven fan and pump used in mining company.
在工矿企业中大量地使用以交流电动机驱动为主的风机、水泵等设备。
This paper introduces a new method of the mining electric locomotive, which is droved by AC asynchronous motor, speed-control system.
提出了一种新的由交流异步电动机拖动的矿井电机车调速系统。
By instance confirmed the method validity and has comprehensive promoting and using value in asynchronous motor energy saving aspect in industrial and mining establishments.
通过实例，验证了该方法的有效性，在工矿企业异步电动机节能运行方面具有全面推广应用的价值。
Secondly, on the basis of the methods of parking demand predict are analyzed, this paper put forword the motor vehicle od parking demand predicting model based on data mining.
然后在分析总结停车需求预测方法的基础上，提出了基于数据挖掘技术的机动车OD停车需求预测方法，并建立了相应的数学模型。
The system combined with the linear motor and mining pump helps improve system efficiency and conservation.
将直线电机与抽油泵结合起来置于井下工作，有利于提高系统效率和节能。
The system combined with the linear motor and mining pump helps improve system efficiency and conservation.
将直线电机与抽油泵结合起来置于井下工作，有利于提高系统效率和节能。
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