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他们开始大干起来，打了足够的水泵井来灌溉更多的土地。
They set to work and drilled enough pump wells to irrigate more land.
youdao
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驱动农用抽水泵，实现自动灌溉。
This system uses pump as control unit to achieve automatic irrigation.
youdao
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驱动农用抽水泵，实现自动灌溉。
This system uses pump as control unit to achieve automatic irrigation.
youdao