thermionic valve
美
英
- 网络热阴极电子管；热离子管；热电子管
n. | 1. an electronic component that consists of an evacuated glass tube containing a heated cathode that emits electrons, an anode that collects the electrons, and other electrodes. |
英汉词典包含292483条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。