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淡水池塘养殖
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淡水池塘养殖
Encyclopedia
农学
淡水养殖模式
释
freshwater aquaculture in ponds
淡水池塘养殖
利用池塘进行淡水水生经济动植物的生产方式。池塘指比湖泊小的水体,为便于生产和管理,面积一般在15万平方米以下。
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railway intermodal flatcar
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Railway Law of the People's Republic of China
railway level crossing signal
railway lines within station yard
railway location design
railway locomotive and rolling stock
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railway master data platform
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railway mobile communication system
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railway passenger service
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更新时间:2025/12/20 10:10:37