英语词汇“subsurface sand filter”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	subsurface sand filter
释义	subsurface sand filter subsurface sand filter A wide bed, consisting of a number of lines of perforated pipe or drain tile surrounded by clean coarse aggregate, containing an intermediate layer of sand as filtering material, and provided with a system of underdrains for carrying off the filtered sewage.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。