短語(yǔ)詞組短語(yǔ)shadow -mask color picture tube 蔭罩式彩色顯象管non -shadow-mask 無(wú)蔭罩contact -shadow-mask method 金屬掩模法one -gun n shadow-mask colour kinescope 單槍蔭罩彩色顯象管 返回 shadow mask