Normal saline is commonly used in artificial airway humidifying.
Normal saline is commonly used in artificial airway humidifying.
湿热交换器没有额外的水和热气，所以功效不如加热型增湿器。
Normal saline is commonly used in artificial airway humidifying.
湿热交换器没有额外的水和热气，所以功效不如加热型增湿器。