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古代虹吸工程
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古代虹吸工程
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古代虹吸工程
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Siphon Project in Ancient China
古代虹吸工程
中国古代利用真空负压原理建造的一种特殊的引水工程,是中国古代对有压流水力学现象认识和利用、古代对水流运动规律认识水平的重要标志。
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peracid
peracidity
peragration
Perak People's Uprising
Perak Sungai
peralkaline
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peramine
peraphyllum
P / E ratio
perbenzoic acid
perbromic acid
per-call key
per capita disposable income
per capita effective refuge area
per capita expenditure of domestic tourists
per capita residential land control index
per capita urban park area
perceived control
perceived noise level
perceived organizational support
Perceived Quality
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