man-mounted oxygen regulator 佩戴式氧气调节器
helmet-mounted oxygen regulator 头盔氧气调节器
seat mounted oxygen regulator 椅装式氧气调节器
mask mounted oxygen regulator 面单式氧气调节器
aircraft panel mounted oxygen regulator 板装式氧气调节器
seat-mounted dual oxygen regulator 座椅复式氧气调节器
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