【电学】弧光灯【电学】弧光灯

volumetric modulated arc therapy(VMAT)

Poulsen arc【电】

minute of arc【数】

arc-hyperbolic tangent【数】

occipital arc

shielded inert-gas metal arc welding

self-regulating arc welding transformer【电】

electroslag remelting plant (electroslag refining plant) heating by electric arc