first-aid oxygen face guard的意思|示意
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急救氧气面罩
first-aid oxygen face guard的网络常见释义
急救吸氧头罩 ...词] 高压氧舱；急救吸氧头罩；多孔式吸排氧装置 [gap=984]Key Words] hyperbaric oxygen chamber; first-aid oxygen face guard; porous-type oxygen inhalation-exsufflation device ..