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Main application In the HVAC system, the temperature and humidity sensors monitor the indoor tempera...
Hot News Hydrogen is a single substance formed by the element hydrogen, with the chemical formula H2...
Ammonia (NH₃) is an important industrial raw material and refrigeration medium, and is widely used i...
1. Why do we need laser dust sensors?The invisible threat of dust pollutionHealth hazards: PM2.5/PM1...
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