The sensor signals pressure gauge is used far infrared devices on the principle of switching, and control functions of the sensor.
电信号压力表的传感装置是采用远红外对管的开关原理，实现传感控制功能的。
The sensor signals pressure gauge is used far infrared devices on the principle of switching, and control functions of the sensor.
电信号压力表的传感装置是采用远红外对管的开关原理，实现传感控制功能的。
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