double-polarity method for calibrating thermocouple

double-path rato thermometer,双通道比色温度计 double-polarity method for calibrating thermocouple,热电偶双级检定法 double probe technique,热电偶双极检定法 ..

 polarity method for calibrating thermocouple

...ntial method of calibrating thermocouple 热电偶微差检定法 polarity method for calibrating thermocouple 热电偶双级检定法 same-polarity method of calibrating thermocouple 热遇偶同名极检定法 ..