辅助呼吸的装置 lung
辅助呼吸装置 assistant breathing equipment
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研究结果表明：氧浓度解耦控制技术是循环式氦氧混合气辅助呼吸装置设计中的一项关键技术。
Results it shows that the control of oxygen concentration after unchaining coupling is a vital technology in assistant breathing equipment cycled with mixed gases of helium and oxygen.
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