This paper analyses the defects of bubble oxygen inhalators currently used, and investigates into their solutions for improvement.
目的：证明氧气雾化吸入器面罩吸氧的有效性，以便更好的向病人进行宣教，提高其利用效能。
This paper analyses the defects of bubble oxygen inhalators currently used, and investigates into their solutions for improvement.
目的：证明氧气雾化吸入器面罩吸氧的有效性，以便更好的向病人进行宣教，提高其利用效能。
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