| 摘要 |
PURPOSE: Provided is a storage tank for use in a water purifier, the storage tank being capable of controlling water level and preventing overflow of water. CONSTITUTION: The storage tank comprises a tank(10) with an opening(12) at an upper portion thereof and foldable side walls(40) which extend and are folded based on amount of water, and a water input device(34) coupled to the opening(12) of the tank(10).
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