A highly evacuated electron tube containing an anode, a cathode, and a control grid.
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
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