热电偶
Thermocouple \Ther"mo*cou`ple\, n. A thermoelectric couple.
thermocouple
n : 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
[syn: {thermocouple junction}]