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液压柱塞泵

76 bytes added, 05:59, 23 May 2017
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===告知===
*本文改编自维基百科文章 [http://en.wikipedia.org/wiki/Hydraulic_ram Hydraulic Ram]
 
此篇文章由新南威尔士大学翻译系学生 杜雪 赵晓宇翻译
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