pneumatophorus

... 急救氧气袋 emergency oxygeny pack ; emergency oxygency pack 救生氧气袋 pneumatophore ; pneumatophorus 救生氧气袋 救生氧气袋 pneumatophorus ...

 pneumatophore

... pneumatometry呼吸气量测定法 pneumatophore救生氧气袋 pneumatophorus救生氧气袋 ...