开启电源，于力量显示器上设定施力值，计时器上设置作用力时间；

Turn on power, setting force value on power display, and time of acting force on counter.

youdao

开启电源，于力量显示器上设定施力值，计时器上设置作用力时间；

Turn on power, setting force value on power display, and time of acting force on counter.

youdao