hot-cathode的用法和样例：
例句
- Using a magnetic field to curve the path of the e-beam permits screening of the hot filament.
用一个磁场使电子束走曲线路径能够屏蔽热阴极。
词汇搭配
- two element hot cathode tube 热阴极二极管...
- hot cathode ionization gauge 热阴电离真空计...
- hot-cathode tube 直热式电子管...
- hot hollow cathode 热空心阴极
- hot cathode rectifier 热阴极整流管...
