我每次更换后级电子管的时候是不是必须把前级管也一起换？
Do I need to replace my driver tube every time I replace my power tubes?
克服了现有电子管 插座一体成型不能更换组件等缺陷，本实用新型具有接触良好、使用寿命长特 点。
The utility model overcomes defects that the current integrally formed electronic tube socket can not replace components, etc. , and is characterized by good contact and long service life.
一种能更换组件的电子管插座。
The utility model relates to an electronic tube socket with replaceable components.
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