| 释义 |
phototube cathode
- phototypesettern. 照相排字机
- photoelectronic光电子的
- 直热式阴极zhí rè shì yīn jí
directly heated cathode; direct-heated cathode
- 钨丝阴极wū sī yīn jí
tungsten cathode
- 光电器guāng diàn qì
phototube
- 冷阴极lěng yīn jí
cold cathode
- 负极fù jí
negative electrode; cathode; negative pole; cathelectrode
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