短語(yǔ)詞組短語(yǔ)poor breathing mixture 釋義呼吸用低氧混合氣breathing mixture supply system 混合呼吸氣供應(yīng)系統(tǒng)oxygenpoor breathing mixture 呼吸用低氧混合氣therapeutic breathing mixture 治療用呼吸混合氣helium - oxygen breathing mixture 氦氧呼吸混合氣oxygen -poor breathing mixture 呼吸用低氧混合氣 返回 breathing mixture