绝对压力是与真空相比的压力。与相对压力不同，它可以独立于环境压力进行测量。
Absolute pressure is pressure as compared with a vacuum. Unlike relative pressure, it can be measured independently from ambient pressure.
差压压力计 Differential Pressure Manometer
双金属开关 Bimetallic Switch
表面温度测量 Surface Temperature Measurement
热电偶套管 Thermowell
压力表的长期漂移 Drift
泄压阀 Pressure Relief Valve
点火保护类型 Ignition Protection Type
两线技术 Two-Wire Technology（2-Wire Technology）
相对压力 Relative Pressure
英戈尔德接口 Ingold Socket
