A stepper motor, which can be turned a degree at a time, would twist the wand back and forth as needed.
A stepper motor, which can be turned a degree at a time, would twist the wand back and forth as needed.
至于一次可以转一度的步进马达，会在必要的时候来回推动百叶窗的控制杆。
A stepper motor, which can be turned a degree at a time, would twist the wand back and forth as needed.
至于一次可以转一度的步进马达，会在必要的时候来回推动百叶窗的控制杆。