| 摘要 |
<p>The swimming pool with a counterflow system, to give swimmers practice in swimming against a water current, has a water filter (2) to treat the water before it is delivered in a forced stream into the swimming pool. The water filter (2) is a cartridge type filter (12) with a skimmer (13). The water outlet (14) is linked by a pipe (15) to the water stream inlet (9) into the swimming pool. The water filter assembly is integrated into the swimming pool structure, such as at the starting block.</p> |
