查询词典 plasma arc welding

With the analysis of the radiation theory, energy transmission and the balance properties of the radiation spectrum of the arc plasma, the distribution characteristics of the arc spectrum along frequency, space, and time field was investigated, which provide theoretical foundation for the research on the spectrum information of Pulsed MIG welding.

熔化极气体保护焊电弧等离子体辐射光谱中含有丰富的反映熔滴过渡的信息，本文在对脉冲MIG焊电弧光谱信息深入考察的基础上，首次将其应用于脉冲MIG焊熔滴过渡过程的控制研究中，并真正实现了一脉一滴（1峰0基）的熔滴过渡过程，开创了利用电弧光谱信息控制焊接物理过程的先河。

Shanghai Peoples Welding Machine Manufactory is a professional state owned manufactory which produces welding equipment, whose products mainly include five large categories:DC arc welder, argon arc welder, air plasma cutter, resistance welder etc.

上海人民电焊机厂是一个专业生产焊接设备的国营企业。主要产品有交、直流弧焊机、氩弧焊机、空气等离子切割机，电阻焊机等五大类常用焊机。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。