如果你看到电火花或破损的电线，或嗅到了绝缘体烧焦的味道，断开主开关柜里活断路器的电源。

If you see sparks or broken or frayed wires, or if you smell burning insulation, turn off the electricity at the main fuse box or circuit breaker.

youdao

可编程控制技术可针对不同的电火花条件，改变高压整流装置的输出电压，以保持适中的火花率，从而使收尘器的收尘效率达到最佳。

According to various conditions of electric spark, the programmable control technology can be used to chang the output voltage of the high voltage rectifier unit to keep the spark...

youdao

文摘：在介绍椭圆微驱动电火花加工机理的基础上，分析了椭圆微驱动器对驱动电路的要求。

Abstract: The paper deals with a linear direct drive mechanism of electrode for electrical discharge machining (EDM) and its drive and control principle.

youdao