cathodes正极
cathoden.阴极
cathode interlayer阴极介层
cathode ray tester示波器测试器
cathode excitation阴极激发
cathode fall space阴极电位降空间
cathode department阴极区
cathode protecting阴极保护
cathode inductance阴极电感
cathode-ray lamp有射线管
cathode efficiency阴极电璃率,阴极电流效率,阴极效率
cathode extraction负极引出