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绳子与水桶
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11:15, 7 November 2015
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===建造、运作与维护===
[[Image:RopeandBucketdrawing.jpg|thumb|right|200px|绳桶提水装置。图片来源:WHO(世界卫生组织)]]
深度范围:0–15米(或有时甚至更深)。
深度范围:0–15米(有时甚至更深)。
产水量:10米深时0.25 升/秒。
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