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When hand feel very hot, please close battery power supply (switch 'off ').
当手感到非常热，请关闭电池电源(关闭)。
youdao
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The battery is connected with the motor by an electric rope through a switch.
电瓶和电机由电绳通过开关连接。
youdao
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The battery is connected with the motor by an electric rope through a switch.
电瓶和电机由电绳通过开关连接。
youdao