英语词汇filter bed怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	filter bed
释义	filter bed noun a tank or pond containing a layer of sand or gravel, used for filtering large quantities of liquid 滤床。
随便看	hereunder hereunto hereupon Hereward the Wake here we are here we go again herewith her indoors heriot heritability heritable heritably heritage heritor herky-jerky herl herm hermaphrodite hermaphrodite brig hermaphroditic hermaphroditical hermaphroditism Hermaphroditus hermeneutic hermeneutical

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