When air passes through the electric field, mushroom poison can be destroyed, and dust can be adsorbed by anegativeplate.
当空气经过电场时，空气中的菌毒被杀灭，尘被负电板吸附。
2
The upper part and the lower part in the electrostatic case are respectively provided with anegativeplate, and a positive plate is arranged between the two negative plates.
在静电箱中的上部和下部分别有一个负极板，在两个负极板之间有一个正极板；
3
When water is pumped out of a chamber below the plate creating negative pressure, the stretchable sensors are pulled down, producing a concave shape.