| 摘要 |
A walk-substituting cart is equipped with a detecting device, which can detect the existence and measure the inclination of a downward slope that the walk-substituting cart is moving on; when the cart is moving down a slope, the detecting device will send a signal to a power source of the walk-substituting cart so that the power source can automatically slow down; therefore, the rider won't have to continue operating the brake lever or the brake pedal of the walk-substituting cart a long time when the cart is moving down a slope.
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