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1.This double-ply pump is designed to deliver high-pressure water efficiently.
这款双层泵设计用来高效地输送高压水。
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2.The engineers installed a double-ply pump in the underground pipeline system to improve efficiency.
工程师们在地下管道系统中安装了一款双层泵，以提高效率。
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3.The double-ply pump is crucial for maintaining the stability of the water level in the reservoir.
双层泵对于保持水库水位稳定至关重要。