electrostatic cathode-ray tube
电 静电阴极射线管… Read the rest
电 静电阴极射线管… Read the rest
医 [氢气]推液阴极… Read the rest
电 涂层阴极… Read the rest
电 冷阴极计数管… Read the rest
电 辉光放电… Read the rest
电 冷阴极离子化闸… Read the rest
电 冷阴极整流器… Read the rest
计 隧道阴极… Read the rest