It consists of two sources: low voltage high power source which puts the arc maintenance into practice and high voltage low power source which carries out the arc reignition.
它由两组电源构成：维持电弧燃烧的大功率低压电源和执行再引弧的小功率高压电源。
Shorter ARC durations ultimately mean less contacts burning, resulting in less maintenance and a better breaker.
归根结底，电弧持续时间越短，触头越不易烧熔，维修量越少，而断路器性能越好。
And it also introduces the basic principle and structure, operation and maintenance, common problems, troubleshooting and solutions of MZE-630 automatic submerged arc welding machine.
介绍了MZE- 630埋弧自动焊机的基本原理与结构，焊机操作与维护，焊机常见故障、产生原因和排除方法。
Streamline appearance with 3D design, green arc glass to see the operation and easy maintenance.
外观采用流线型圆弧加立体三维设计，绿色圆弧玻璃，美观大方，带有视窗，方便维护和操作。
It's a very practical attempt adopting wholly new control method change the special power afforded by the A. C. arc welder to the controlled D. C. power required in automobile maintenance.
采用一种全新的控制方法，将交流弧焊器所提供的特种电源转换成汽车修理所需的可控直流电源，是一种具有实用价值的尝试。
About causes of looping arc is carried out further discussion in combination with design parameters and maintenance of motor.
同时结合电机设计参数和电机维护方面问题，对环火原因进行深入的探讨。
About causes of looping arc is carried out further discussion in combination with design parameters and maintenance of motor.
同时结合电机设计参数和电机维护方面问题，对环火原因进行深入的探讨。
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