| 摘要 |
An air lift apparatus comprises: an air lift unit including a pipe-shaped first body formed as a first diameter and a second body connected to the first body, having a second diameter smaller than the first diameter, and having a slit-shaped first opening formed at a longitudinal direction; and a slide unit including a slide body inserted into the outer side surface of the second body, reciprocating along the second body, and having a second opening located on an area faced with the first opening, and a discharging body formed on an area corresponding to the second opening of the slide body and discharging water supplied to the second opening. |
