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古代渡槽
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古代渡槽
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古代渡槽
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Aqueduct in Ancient China
古代渡槽
渡槽,又称过水桥,是渠道与河流、沟谷、洼地和道路等相交时而修建的建筑物,两端与渠道相接,普遍用于把远处的水引到水量不足的城镇、农村以供饮用或灌溉,也用于排洪、排沙等,大型渡槽还可通航。
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fundamental concept
fundamental conjecture
fundamental conjecture; Hauptvermutung
fundamental constant
fundamental construction
fundamental construction problem
fundamental constructive sequence
fundamental continuity theorem
fundamental coordinate system
fundamental curve
fundamental cutset
fundamental cycle
fundamental data center of mine
fundamental data for concentrator design
fundamental decomposition
fundamental determinant
fundamental difference hypothesis
fundamental differential invariant
fundamental discriminant
fundamental display hall
fundamental domain
fundamental dominant weight
fundamental duty of citizens
fundamental element
fundamental elementary function
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