“AJO breathing apparatus”的概念、定义、翻译、参考文献-科学参考

单词	AJO breathing apparatus
释义	AJO breathing apparatus [¦a¦jā¦ō `brēth·iŋ ´ap·ǝ`rad·ǝs] ^{MINING ENGINEERING} A breathing device consisting of a Siebe-Gorman mining gas mask with a small oxygen cylinder and a canister which neutralizes mining gases, such as carbon monoxide, sulfureted hydrogen, and nitrous fumes.
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