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kuang yong dian qi cun zai wen ti ji qi jie jue tu jing
Author(s): 
Pages: 29-34
Year: Issue:  10
Journal: Coal Science and Technology

Keyword:  矿用电器存在问题单相接地磁力起动器电动机熔断器热继电器零序电流煤矿安全规程过电流脱扣器;
Abstract: <正> 随着我国煤炭工业的迅速发展,井下矿用电器产品的品种不断增长,质量也不断提高。随着电子技术的发展,新产品迅速增长。现今我国常用的矿用电器、电机、自动装置、通讯装置以及保护装置等,据不完全统计已有130余种。在采用电子技术方面已有了明显的发展,对满足《煤矿安全规程》方面具有
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