electric arc
近义词：arc，electricdischarge，spark，discharge，
英英释义
Noun
- electrical conduction through a gas in an applied electric field
例句
用作名词(n.)
- Arc strikes outside of the welds were avoided.焊缝外要避免电弧穿刺。
- The stick of carbon is often used in an electric arc lamp.碳精棒常用于电弧灯。