随着对随之而来的推手柄可以方便地控制电机功率，同时指导椅子速度控制器。

With the speed controller on the push handle the attendant can easily control the motor power while guiding the chair.

youdao

随着对随之而来的推手柄可以方便地控制电机功率，同时指导椅子速度控制器。

With the speed controller on the push handle the attendant can easily control the motor power while guiding the chair.

youdao