A. Connect oxygen supply tubing to Ambu bag and oxygen flowmeter. Adjust oxygen to 100% FiO2 or ordered rate.

将供氧管与急救袋和流量计相连，将氧气调节至100%吸氧浓度分数或规定速度。

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A. Connect oxygen supply tubing to Ambu bag and oxygen flowmeter. Adjust oxygen to 100% FiO2 or ordered rate.

将供氧管与急救袋和流量计相连，将氧气调节至100%吸氧浓度分数或规定速度。

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