["액체는 압축되지 않습니다. 液体不可压缩，
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",["가스는 압축되지만 액체는 압축되지 않습니다. 气体可 气体可压缩，而液体不可压缩
",["에너지 보존 법칙에 따르면, 能量守恒定律 简单说 叶轮给液体动能，然后在扩压器又动能转化为静压能。扩压器你可以简单理解为容积突然变大，液体进入后，速度减小了，动能变小了，能量转化为静压能。 水温会升高，无论什么泵。"]
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