英语词汇“rag pump”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	rag pump
释义	rag pump /ˈraɡ pʌmp/ Mining. Now historical noun A chain-pump driven by a rag wheel. Origin Mid 18th century. From rag + pump.
随便看	reduction negative reduction print reduction printing reduction sentence reduction works reductive reductively reductiveness reductivism reductivist reduit redund redundancy redundancy check redundant redundantee redundant hyperbola redundantise redundantize redundantly red underwing red-up reduplicate reduplication reduplicative

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rag pump