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河工保固
释义
河工保固
Encyclopedia
工学
中国古代水利管理
释
quality assurance system of river engineering
河工保固
清代有关黄河、运河及其他水利工程建设质量保证的制度。
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card guide
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cardiac catheterization
cardiac cavity
cardiac conducting system
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cardiac conduction system
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cardiac examination of animals
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