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我爱发明【20140521】看点介绍
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我爱发明20140521集剧情：第20140521期
5月21日18:45播出节目《洗桶记》，桶装水的专用桶清洗是个苦力活，人工洗桶方式费时费力。经过3次大的改进，宋树建成功研制出水桶自动清洗机。提高了洗桶的效率，并且大大缩短洗桶时间而又不破坏表面光泽度。降低了水厂水桶的损耗率，更加有利于饮用水桶的循环利用。
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