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1. |
The overflow rate for plain sedimentation tanks is about$? |
A. | 500 to 750 liters/hour/ m² |
B. | 1000 to 1250 liters/hour/ m² |
C. | 1250 to 1500 liters/hour/m² |
D. | 1500 to 2000 liters/hour/m² |
Answer» B. 1000 to 1250 liters/hour/ m¬¨‚â§ | |