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    Video
    82. PWM power suppy mode
    Power supply modes
    free
    48person
    Video
    81. LDO power suppy mode
    Power supply modes
    free
    67person
    Video
    80. Switching power suppy mode
    Power supply modes
    free
    56person
    Video
    79. Common power supply mode
    Power supply modes
    free
    79person
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