| 摘要 |
A water-purifying device for increasing oxygen content has at least one filter and a gas-liquid mixing device, and the gas-liquid mixing device comprises a pump and a spiral tube, wherein air enters the pump through a first gas inlet valve disposed at the front end of the pump and is mixed with the water source in a gas-liquid phase within the spiral tube to form a large amount of fine bubbles, thereby achieving the effect of increasing the oxygen content in water.
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