cathode heater
短語(yǔ)詞組
- cathode e heater 隂極加熱器
- cathode e heater assembly 隂極加熱器
- cathode -heater i ulation resistance 絲極絕緣電阻
- Cathode -Heater Voltage 隂極
- cathode heater assembly 隂極加熱器
- cathode heater tube 旁熱式電子琯
- heater cathode 旁熱式隂極;直熱式隂極 返回 cathode heater