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1·Why don't you buy him a new arc welder?

怎么不给他买部新的弧焊机？

2·We used to weld pipes with direct current D. C. arc welder alternating current, a.

我们总是用直流(交流)电弧焊机焊接管子。

3·The name of said invention is Leakage enhancement electric regulated arc welder.

本发明的名称为“增强漏磁电调式弧焊机”，属机电技术领域。

4·The light in this world is purest, brightest silver, brighter than the flash of an arc welder.

这个世界的光线是极度纯粹、度明亮的银光，比电焊闪光更亮的光线。

5·The paper introduces the configuration, principle and characteristics of the inverter for arc welder.

介绍了该逆变式弧焊机的构成，工作原理及特点。

6·A control system based on single chip microprocessor is designed for submerged arc welder with magnetrol power source.

针对磁放大器式电源埋弧自动焊机设计了单片机控制系统。

7·The utility model can obviously improve the power factor of the ac arc welder to achieve the purpose of saving energy.

本实用新型可以明显提高交流弧焊机的功率因数，达到节约能源的目的。

8·This article introduces emphatically the practical control methods and circuit principles of battery self charging by stages by the arc welder.

重点介绍利用交流弧焊器对蓄电池自动实施分阶段法充电的调控方法和调控电路原理。

9·Owing to its particularity that invert TIG arc welder work, therefore its EMC also looks more protruding, and the research that need to be gone deep into.

逆变tig焊机由于其工作的特殊性，电磁兼容性问题十分严重，进行深入研究很有必要。

10·This paper introduces the circuit topology of portable inverter arc welder with soft snubber, mainly power circuit is a double switch forward converter with assistant resonant circuit.

主电路采用具有无源辅助谐振网络的双管正激变换器，与普通双管正激变换器相比，功率管开关状态得到较好的改善，同时并没有增加电路的复杂性。