英语词汇pneumatic trough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	pneumatic trough
释义	pneumatic troughn. a shallow container used in laboratories to collect gases in jars over the surface of water or mercury 集气槽
随便看	canonically canonicate canonicity canonist canonization canonize canon law canon regular canonry canoodle can-opener Canopic jar canopy canorous canst Cant. can't cant cant Cantab cantabile Cantabrigian cantal cantaloupe cantankerous

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