| 摘要 |
<p>The wash basin has two electric motors, which are placed inside in cavities of the wash basin. Two axles are provided at the opposite sides of the wash basin, which are used to fasten the wash basin to walls. The electric motors are provided with gear wheels and axles. The gear wheels, which acts as power amplifiers and to transfer rotating power of the electric motors to the axles, such that the wash basin is moved up and down.</p> |
