从而掌握了电动机烧坏的原因，保证了煤矿安全生产，减少了煤矿机电设备的运行事故。
Through this paper, the causes for motor damage are cleared out which ensured the mine safety production and reduced the accident of mine mechanical and electrical equipment.
变频技术具有明显的节能效果和优越的调节性能，我国煤矿机电设备中越来越多的使用了变频技术。
Frequency conversion technology has significant energy saving effect and superior regulation performance, so it is used in mine mechanical and electrical equipment more and more widely.
提高煤矿企业机电设备采购管理工作水平是煤矿企业的当务之急，设计机电设备管理信息系统非常重要；
The urgent affairs in a coal mining enterprise is to improve the level of the machinery and electricity equipments stocking.
提高煤矿企业机电设备采购管理工作水平是煤矿企业的当务之急，设计机电设备管理信息系统非常重要；
The urgent affairs in a coal mining enterprise is to improve the level of the machinery and electricity equipments stocking.
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