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Ariake Water Reclamation Center. The Cleaning Process. Secondary Sedimentation Tank.【Adults】
2022.01.21 66views

第二沈殿池で泥を沈めることで、上ずみのキレイな水を取り出しています。
The sludge sinks to the bottom, leaving the top clear layer of clean water to be removed from the secondary sedimentation tank.

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