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双重堤防
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双重堤防
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双重堤防
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double embankment system
双重堤防
明代治河专家潘季驯为实现“束水攻沙”目标,总结前人经验,在黄河下游徐州至海口两岸建设的堤防工程系统。
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pumice
Pumi costume
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Pummerer rearrangement
pump
pumpable time
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pump and treat
pump as turbine
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pump cavitation
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pump cavitation number
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pump characteristic test
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pump coupling technique
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pumped heat energy storage
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