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Ariake Water Reclamation Center.The Wastewater Cleaning Process.Primary SedimentationTank.【Children】
2022.01.27 65views

第一沈殿池では、2~3時間かけて、下水に含まれる細かい汚れをゆっくり沈めていくんだ。
In the primary sedimentation tank, it takes 2 to 3 hours for the fine solids in the wastewater to sink to the bottom.

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