When both junctions are at different temperatures, an electric current is produced proportional to the temperature difference.
当两端之间有温差时，金属丝内即产生与温差成比例的电流。
When both junctions are at different temperatures, an electric current is produced proportional to the temperature difference.
当两端之间有温差时，金属丝内即产生与温差成比例的电流。
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