| 摘要 |
An electric toothbrush has an electric drive with a power source, which is placed in the body with reverse rotation switch, the cleaning nozzle. The cleaning nozzle is formed as a cylindrical rod with radially extending bristles on its different lengths, with the possibility of operating in the reverse rotation state around a longitudinal axis of the device, and arranged in a removable protective housing, which is 2/3 of its circumference covers the outer surface. |
