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. |
| 单词 | thermionic valve | ||
| 释义 | thermionic valve美 英
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