On a preset volume-pressure-limit ventilator with 5L fresh gas 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。
Common form of the pressure switch, volume switch, time switch and flow switch, that is, to achieve the preset inspiratory pressure, capacity, time or flow rate is converted to breath.
常见的方式有压力切换、容量切换、时间切换和流速切换，即吸气达到预置的压力、容量、时间或流速则转为呼气。
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