英语词汇“pressure demand oxygen system”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	pressure demand oxygen system
释义	pressure demand oxygen system pressure demand oxygen system A demand oxygen system that supplies diluted oxygen at lower heights and 100% oxygen under pressure at higher heights. The oxygen under pressure is forced into the lungs of the wearer. See demand oxygen system.
随便看	indirect placentography indirect polymorphonuclear phagocytosis test indirect potable reuse indirect potable water reuse indirect practice cost index indirect pricing component indirect production time factor indirect productive time factors indirect program office indirect proof indirect protein a-gold indirect pulpal therapy indirect pulp cap indirect pulp capping indirect pulp capping treatment indirect pupillary reaction indirect question indirect questions indirect quote indirect radiolabeled antiglobulin assay indirect rays indirect reacting bilirubin indirect red-cell-linked antigen tests indirect reflex indirect register pointer

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