The thermometer is a general term for temperature measuring instruments and can accurately judge and measure temperature. The use of solid, liquid, gas by the influence of temperature and thermal expansion and contraction is the basis for design. There are kerosene thermometers, alcohol thermometers, mercury thermometers, gas thermometers, resistance thermometers, thermocouple thermometers, radiation thermometers and photometric thermometers, bimetal thermometers, etc. for us to choose, but pay attention to the correct method of use, understand the thermometer Relevant features make it easier to use it.
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