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玉柱噴頭Yuzhu nozzle

水型特點:

水柱因空氣滲入，在光線折射下，亮如玉柱。水柱以垂直向上為主，常用于旱池。

Water-type characteristics:

Water column due to air infiltration, the refraction of light, as bright as Yuzhu. Water column vertically upward based, commonly used in the dry pool.