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1·Tube triode with directly or indirectly heated cathode.

具有直接或间接加热的阴极的电子管三极管。

2·Tube tetrode with directly or indirectly heated cathode.

具有直接或间接加热的阴极的电子管四极管。

3·Tube pentode with directly or indirectly heated cathode.

具有直接或间接加热的阴极的电子管五极管。

4·Drag onto the page to add a tube pentode with directly or indirectly heated cathode.

拖到绘图页后，可以添加具有直热式或旁热式阴极的电子管五极管。

5·A cathode in an indirectly heated cathode ion source is supported by at least one rod or pin.

非直接加热阴极式离子源的阴极被至少一个杆或钉支撑。