你這個是電刺激，引起肌肉收縮嗎？上樓梯是幾個肌肉協調作用，感覺實用性不強。
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy
