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	Indian Indian club Indian corn Indian elephant Indian file Indian hemp Indian ink Indian Ocean Indian rope-trick Indian sign Indian summer India paper India rubber Indic indicate indication indicative indicatively indicator indicatory indices indicia indicial indict indictable

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