英语词汇“bacteria beds”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	bacteria beds
释义	bacteria beds 基本英英菌膜过滤层原型bacteriabed的复数名词 bacteria bed: layer of sand or gravel used to expose sewage effluent to air and the action of microorganisms
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