短語詞組短語oxygen n mask 氧氣麪罩;氧氣麪具oxygen demo mask 示範(fàn)用的氧氣麪罩oxygen face mask 氧氣麪罩Oxygen Finishing Mask 活氧麪膜oxygen -mask system 氧氣麪罩系統(tǒng)oxygen impermeable mask 不透氧掩模disposable oxygen face mask 一次性吸氧麪罩oxygen closed mask 不透氧掩模Oxygen Transfer Mask 輸氧頭罩 返回 oxygen mask