| 摘要 |
<p>PROBLEM TO BE SOLVED: To clean water by a known water area cleaning system, to generate a flow in a still clean water area, and to move clean water. SOLUTION: In a clean waterway system using the void of a water area (enclosed by a cleaning bank having a lot of voids), clean water which has passed through the cleaning bank every time of the change of a water level flows through a waterway installed along the cleaning bank constituting 'the void of a water area' water is cleaned by using natural energy by 'the void of a water area' and the water is made to flow so that a new waterside environment is created to promote the movement of water and to strengthen effects for agitating a still clean water area.</p> |
