| 摘要 |
<p>An assembly for a wastewater tank comprising a pump having an inlet for water and air, a conduit for receiving water and air pumped from the pump and a distribution means for receiving water and air from the conduit and distributing it outwardly from the distribution means, whereby water within the tank is circulated from the bottom of the tank to the inlet of the pump in an upper region of the tank.</p> |
