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1.The pump is designed to provide a strong flow of water.
这个泵设计用来提供强劲的水流。
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2.The pump was used to help drain the flooded basement.
这个泵被用来帮助排干地下室的洪水。
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3. Pumping water from the well is essential for maintaining the health of the surrounding ecosystem.
从井中抽水对维护周围生态系统的健康至关重要。