DC are source是什么意思

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用法例句

The principle of PFC and the methed of controling PFC by means of pulse width ndm IC 3524and gives the actual circuit of the inversion are welding power source with PFC function are also analysed.

介绍了逆变式直流弧焊电源的基本原理，以及在逆变式直流弧焊电源中采用功率因数校正（PFC）的必要性，分析了PFC的原理和利用通用的脉宽调制集成电路3524实现PFC控制的方法，给出了具有PFC功能的逆变式直流弧焊电源的实际电路。

Investigation on the low-frequency magnetic field around the output cables from the different D.C.arc welding power source

不同直流弧焊电源输出电缆周围低频磁场的研究

combined a.c. and d.c. welding power source

交直流两用弧焊电源

Research on Soft-switching Mode Power Supply of Arc-welding and Air-plasma-cutting;

逆变式直流弧焊及等离子切割电源的研究

motor generator arc welder

电动发电机式直流弧焊机

We used to weld pipes with direct current (D.C) are welder (alternating current A.C. welder).

我们总是用直流（交流）电弧焊机焊接管子。

The Design and Application of the ZX7-125 Electron Direct Current Arc Welding Engine

ZX7—125电子直流弧焊机设计及应用

Analysis of arc interference and control strategy for double wire AC-DC SAW

交直流双丝埋弧焊电弧干扰分析及控制策略

Three welding modes ： DC pulsed TIG, DC MMA.

集直流氩弧焊，脉冲氩弧焊，直流手工焊于一体。

Three welding modles:DC TIG,PulsedTIG,DC MMA.

集直流氩弧焊、脉冲氩弧焊、直流手工焊于一体。

diesel engine driven DC arc welding machine

柴油机驱动直流弧焊机

petrol engine driven DC arc welding machine

汽油机驱动直流弧焊机

low idle voltage arc-welding power supply

低空载电压的弧焊电源

External characteristic control of SCR arc welding rectifier

晶闸管整流弧焊电源的外特性控制──适用于高纤维素焊条的焊接

The control system of brushless Dc motor automatic saw machine Based On ML4428;

基于MLL4428的无刷直流电机埋弧焊控制系统

intermittent d.c.noncapacitive arc

非电容间歇直流电弧

single operator direct current arc generator

单站直流电弧发电机

Design of RC snubber for main circuit of CO_2 arc welding power source

CO_2弧焊电源主电路中RC缓冲电路设计

New Arc Welding Power Source Complete Integration Control of Inerter SCR ARC Welding Power Source

新型弧焊电源的研制——集成控制可控硅逆变弧焊电源