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Overview:A gas detector is a device that detects the presence of gases in an area, often as part of a safetyFEATURESA gas detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used to detect a gas leak and interface with a ..

Introduction:Indoor humidity should not be too high or too low: the indoor temperature is too high, the body cooling would be difficult; The indoor temperature is too low, the air is dry, human respiratory tract would dry and hard.Infant room temperature to 20 degrees Celsius, humidity should be..