| 摘要 |
PURPOSE: An automatic aquarium getting ready the water supply and drain system is provided by using the bottom surface filter, the water is vertically dropt and contaminant is discharged automatically to drain. CONSTITUTION: The automatic aquarium getting ready the water supply and drain system is composed of the water tub(A), the bottom surface filter(31), the auto draining apparatus(43), device for stopping water supply(12). The auto draining apparatus and device for stopping water supply are each other combined. |
