英语词汇gravel bed filter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	gravel bed filter
释义	gravel bed filter 简明释义颗粒层除尘器网络释义 1 ?砾石滤床过滤器砾石滤床过滤器;砾石滤床滤池 2 ?颗粒层除尘器颗粒层除尘器短语 1 gravel bed dust filter 颗粒状吸尘器 2 gravel and sand filter bed 砂砾滤床
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。