- A highly evacuated electron tube containing an anode, a cathode, and a control grid.三极管：带有阳极、阴极和控制栅极的高真空的电子管
- electric
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- 微信名女生伤感
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- 霸气独一无二的群名400个
- 帮会名字既文雅又霸气600个
- 努力奋斗的网名(300个)
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