dual-gun cathode-ray tube [电子] 双枪阴极射线管

multiple gun cathode ray tube [电子] 多枪阴极射线管

cathode of electron gun 电子枪阴极

writing-gun cathode 书写枪阴极

double-gun cathode-ray tube 双枪阴极射线管

cathode-ray gun 电子枪

cold-cathode gun 冷阴极电子枪

thermionic cathode gun 热离子阴极枪