And the operation of various gas-shielded welding, ac and DCarcweldingmachine, stud welding machine, air plasma cutting machines and other ancillary products.
且经营各种气体保护焊机、交直流氩弧焊机、螺柱焊机、空气等离子切割机等配套产品。
2
The 2nd earthing ac voltage of arcweldingmachine does not exceed 200v, and DC peak value does not exceed 400v.
电焊机电缆的二次对地电压交流不超过200v，直流峰值不超过400v。
3
DC series submerged arcweldingmachine is a multi-functional welding power unit controlled by total-digital thyristor and applicable to both semiautomatic and automatic welding.