wet-and-dry-bulb hygrometers

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الإنجليزية - الإنجليزية

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wet-and-dry-bulb hygrometers
plural form of wet-and-dry-bulb hygrometer
wet-and-dry-bulb hygrometer
A hygrometer consisting of two thermometers, the bulb of one of which is kept wet and shows a lower temperature; the relative humidity is obtained from the two temperatures using tables