a kind of thermometer consisting of two wires of different metals that are joined at both ends; one junction is at the temperature to be measured and the other is held at a fixed lower temperature; the current generated in the circuit is proportional to the temperature difference
例句
用作名词(n.)
Thermocouple is a usual temperature measuring component.摘要热电偶是常用的测温元件。
They should be checked frequently against a standard thermocouple.它们经常要用标准热电偶来校对。