We view freshgas entering the bed only in the form of gas bubbles.
新鲜气体可视作仅以气泡形式进入床层。
2
On a preset volume-pressure-limit ventilator with 5L freshgas flow, the children were mechanically ventilated.
用听诊法和荧光检查法确定导管位置，以5L流量新鲜气体，用预设容积的定压式呼吸机行机械通气。
3
When sampling at the level of freshgas delivery in non-rebreathing systems. The sampling line can become obstructed by condensation drops or aspiration of any fluids.