“vacuum breaker”的概念、定义、翻译、参考文献-科学参考

单词	vacuum breaker
释义	vacuum breaker [`vak·yǝm ´brāk·ǝr] ^ENGINEERING A device used to relieve a vacuum formed in a water supply line to prevent backflow. Also known as backflow preventer.
随便看	rill crater rille rillenstein rill erosion rill flow rilling rill mark rillstone rill wash rillwork rim rima rim blight rim cement rim clutch rim drive rime rime fog rimfire rim gypsum rimless rimmed rimmed kettle rimmed solution pool rimmed steel

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