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● 显像管(Cathode Ray Tube CRT阴极射线管)主要由电子枪、偏转线圈、荫罩、荧光粉层和玻璃外壳五大部分组成。其原理是利用显像管内的电子枪，将光束射出，穿过荫罩上的小孔，打在一个内层玻璃涂满了无数三原色的荧光粉层上，电子束会使得这些荧光粉发光，最终就形成了你所看
● CRT (Cathode Ray CRT CRT cathode ray tube) Mainly by the electron gun, deflection coil, shadow mask, phosphor layer and glass shell five major components. The principle is the use of tubes within the electron gun, the light beam emitted through the shadow mask on the hole hit in an inner glass coated with innumerable trichromatic phosphor layer, the electron beam will make these phosphors glow, the final Formed what you see