1. A microwave tube in which electrons generated from a heated cathode are affected by magnetic and electric fields in such a way as to produce microwave radiation used in radar and in microwave ovens. 
   磁控管一种微波管，它里面的发热阴极发出的电子受到磁场和电场的影响，从而产生能用于雷达和微波炉微波辐射
2. cathode for vacuum electronic device 
   真空电子器件阴极
3. pipelining of heated oil 
   油品加热输送
4. a cathode that emits electrons when illuminated. 
   照亮时能发射电子的阴极。
5. An electron tube with a photosensitive cathode. 
   光电管具有感光的阴极电子管

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• 1. 旁热阴极
  独立燃烧式过热器 separately heated cathode...旁热阴极 separately instructed carry...外激式进位,分令进位 separately locking
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