英语词汇“pneumatic trough”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	pneumatic trough
释义	pneumatic trough Chem. a trough filled with liquid, esp. water, for collecting gases in bell jars or the like by displacement. [1820-30]
随便看	Held heldentenor Helen Helena Helene Helga Helgi Helgoland heli- heliacal helianthine B helianthus heliborne helic- helical helical gear helical rack heliced helices helichrysum helicline helico- helicograph helicoid helicon

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