Kui soovid oma küsimusele vastust, jäta meile oma e-posti aadress.
Aitäh, oleme tagasiside kätte saanud.
a thin, perforated metal mask mounted just back of the phosphor-dot faceplate in a three-gun color picture tube; the holes in the mask are positioned to ensure that each of the three electron beams strikes only its intended color phosphor dot
