英语词汇“secondary sewage sludge”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	secondary sewage sludge
释义	secondary sewage sludge secondary sewage sludge [′sek·ən‚der·ē ′sü·ij ‚sləj] (civil engineering) Sludge that includes activated sludge, mixed sludge, and chemically precipitated sludge.
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