Infrared thermometer - Wikipedia
Infrared thermometer - Wikipedia
Infrared Thermometer
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File:An infrared thermometer.JPG - Wikimedia Commons
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红外线温度计- 维基百科,自由的百科全书
Thermometer - Wikipedia
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thermometer - Wiktionary, the free dictionary
Traditional liquid-in-glass (mercury) min-max thermometer.
File:Digital IR-Thermometer.jpg - Wikipedia
Thermometer - Wikipedia