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

单词	shell pump
释义	shell pump shell pump [′shel ‚pəmp] (mechanical engineering) A simple pump for removing wet sand or mud; consists of a hollow cylinder with a ball or clack valve at the bottom.
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