水转筒车
筒车, 又称天车, 一种古老的自动提水设备, 发明于唐代（公元618年～907年）前期。它由立式水轮、竹筒、支撑架及水槽等组成。立于河边水中，河水冲击水轮，带动竹筒取水倒入水槽，再去灌溉农田。河水长流不息，水轮不停运转形成自流灌溉。
Tumbler is also named as Tian Che, as a historically water lift device invented in early period of Tang Dynasty (618-907). The shape of tumbler is like a spinning machine, using wooden as the water wheel. binding with many bamboo pins around the wheel. When the tumbler rotates with water flow, pins lift water to the higher place.
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Tumbler is also named as Tian Che, as a historically water lift device invented in early period of Tang Dynasty (618-907). The shape of tumbler is like a spinning machine, using wooden as the water wheel. binding with many bamboo pins around the wheel. When the tumbler rotates with water flow, pins lift water to the higher place.
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来源：中国数字科技馆
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