| 摘要 |
<p>The appliance has a pair of downward inclination shafts inclined downward from inner side. The pedals (32) of the foot depression structure (30) are pivotally mounted on the downward inclination shafts and arranged at both sides of the downward inclination mount structure (20). The pedals of foot depression structure are vertically moved by traversing a crossing interlocking structure (40) arranged in a base (10).</p> |
