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水桶提水机：波斯轮和Noria

1 byte removed, 06:41, 23 March 2016

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=== 参考文献、视频和链接 ===

* [http://lurkertech.com/water/pump/morgan/tripod/ ~~水轮的故事l~~水轮的故事].

===鸣谢===

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