Several precautions to be noted in oil depot explosion - proof electrical equipment operation safety management are analyzed in this paper.
分析了油库防爆电气设备运行中安全管理应注意的几个事项。
This paper discussed the design principle of detection circuits for explosion-proof vortex flowmeter and analyzed some specific circuits in detail.
本文论述了防爆型涡街流量计检测电路的设计原则，并对具体电路作了较详尽的剖析。
The paper thoroughly introduces the ac-ac frequency converter in driving system of asynchronous motor for underground coal mine explosion-proof winder.
本文对一种用于煤矿井下防爆绞车驱动的交交变频器——鼠笼式异步电机传动系统做了全面的介绍。
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