英语词汇“draeger escape apparatus”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	draeger escape apparatus
释义	Draeger escape apparatus Draeger escape apparatus [′drāg·ər ə′skāp ‚ap·ə‚rad·əs] (mining engineering) A portable, self-contained oxygen-breathing apparatus that is carried on the back of the user; protects against poisonous gases or oxygen shortages for 1 hour.
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Draeger escape apparatus