cold-cathode gun 冷阴极电子枪

thermionic cathode gun 热离子阴极枪

cathode of electron gun 电子枪阴极

cathode-ray gun 电子枪

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

gun cathode 电子枪阴极

plasma-cathode e-gun 等离子体阴极电子枪