| 摘要 |
<p>PURPOSE: Provided is a reservoir water pollution prevention structure by injecting air bubbles into water and circulating the reservoir water. CONSTITUTION: The structure comprises a trench(10) formed at the bottom of a river near a dam to extend between banks (B) of the river and having a cover (C) with lots of penetrating holes thereon, a first pipe(20) with a plurality of holes extending in the trench(10) for providing air bubbles to water through the holes, a plurality of second pipes(30) connected to the first pipe(20) at a first end and extending to deep in the water for supplying air bubbles to deep in the water.</p> |
