“sludge pump”的概念、定义、翻译、参考文献-科学参考

单词	sludge pump
释义	sludge pump [`slǝj ´pǝmp] ^{MECHANICAL ENGINEERING} See <<sand pump>> ^{MINING ENGINEERING} A short iron pipe or tube fitted with a valve at the lower end, with which the sludge is extracted from a borehole.
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