Poulsen arc【电】
直流弧焊机
DC arc welder
暂无补充释义。
相关词条
minute of arc【数】
A.C. arc welder
direct cruuent arc welder
occipital arc
petrol engine driven DC arc welding machine
electroslag remelting plant (electroslag refining plant) heating by electric arc
admissible arc【数】