英语词汇concentration of ammonia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	concentration of ammonia
释义	concentration n — 集中 n • 浓度 n • 含量 n • 浓度 n concentration — 浓缩 • 凝缩 ammonia n — 氨气 n • 合成氨 n • 尿素 n of — 的 ammonia — 氨
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concentration n —