溶液从数百个冰球周围的冷却器中抽出来，在夜间电费较低的时候对溶液进行冷冻。
The solution is pumped from chillers that surround hundreds of balls, freezing them during the night when electricity rates are lower.
溶液从数百个冰球周围的冷却器中抽出来，在夜间电费较低的时候对溶液进行冷冻。
The solution is pumped from chillers that surround hundreds of balls, freezing them during the night when electricity rates are lower.
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