| 摘要 |
A power-driven surfboard, whch comprises a DC power supply connected between a motor and a pressure-controlled power switch, which is controlled by a pressure board mounted on the top face thereof to drive the motor to operate, and a propeller connected to the motor through a transmission shaft. Once the pressure board is stepped on, the DC power supply is connected to provide the motor with necessary working voltage so as to drive the propeller to propel the surfboard to move forward on water surface.
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