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古代分水工程
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古代分水工程
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理学
古代分水工程
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Ancient Water Distribution Project
古代分水工程
中国古代按照灌溉需要分引天然河道来水或在干渠上向各支渠分水的工程措施。比较典型的有分水鱼嘴、分水平梁、铧嘴、分水天平、分水闸坝以及一些临时工程。
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school for mentally retarded children
school for the blind
school for the children with physical disabilities
School Future Direction and Outline Law
school general affairs management
schoolgirls problem
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school health education and health promotion
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school health standards
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school in Changfang(the Long Residence)
school information management
Schooling in Capitalist America
school internal governance structure
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school journal
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School Library Manifesto
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school merging policy
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更新时间:2026/7/30 13:48:31