Excess water will drain through sluices into the sea.
過剩的水將會通過水閘排放到海里去.
英語晨讀30分（高二）
The sluices are worked from the control board.
閘門是由控制臺操縱的.
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Sluices and valves govern the flow of liquid and makeshift meters record the water - levels.
這些容器里的水由閥門控制著,水位由臨時安放的尺子標注.
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