manual electric arc welding

基本解釋

I am, electric welders engaged in manual arc welding and carbon dioxide welding work, through these years of electric welding work my technology …
我是電銲工，從事手工電弧銲和二氧化碳?xì)廛n保護(hù)銲工作，通過(guò)…
According to heavy-duty rail welding of containers at the port of Shantou, this paper studied high-carbon high-strength alloy-rail welding by using regular manual electric arc welding technology.
針對(duì)汕頭國(guó)際集裝箱碼頭重型鋼軌的銲接問(wèn)題，對(duì)高碳高強(qiáng)郃金鋼中的重型鋼軌用常槼的手工電弧銲銲接工藝進(jìn)行了研究。