英语词汇“contact aerator”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	contact aerator
释义	contact aerator contact aerator [′kän‚takt ′er‚ād·ər] (civil engineering) A tank in which sewage that is settled on a bed of stone, cement-asbestos, or other surfaces is treated by aeration with compressed air.
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