Decal gi?y ???c thi?t k? và in ?n v?i nhi?u ??c ?i?m, kích th??c khác nhau In decal cu?nAt the highest of the column will be the electron gun which couples to a high voltage supply accustomed to established the kinetic Electrical power on the electron beam. Usual accelerating voltages range between 80 kV approximately three hundred kV. The mi