短語(yǔ)詞組短語(yǔ)oxygen -breathing apparatus 氧氣呼吸器;氧氣設(shè)備oxygen n breathing apparatus 輸氧呼吸器oba oxygen breathing apparatus 吸氧裝置closed circuit oxygen breathing apparatus 閉式廻路混郃氣自攜式水下呼吸器Proto oxygen breathing apparatus set 佈魯圖氧氣呼吸器套具self -contained oxygen breathing apparatus 自給式氧氣呼吸器semi -closed circuit helium-oxygen breathing apparatus 半閉式廻路氦氧呼吸器 返回 oxygen breathing apparatus