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本仪器为一由呼吸气体流率计、微压差传感器以及信号放大、运算、显示和打印等部件所组成的呼吸气体流率、流量和压力等多项呼吸力学指标的半自动化测量系统。其原理见框图。
The instrument is a semi-automatic measurement system composed of respiratory gas flow rate meter, micro-differential pressure sensor, and signal amplification, computing, display and printing components respiratory gas flow rate, flow and pressure and many other indicators of respiratory mechanics. The principle of the block diagram.