| 单词 | dew-point apparatus | 
| 释义 | > as lemmasdew-point apparatus  b.  attributive, as  dew-point apparatus,  dew-point depression,  dew-point front,  dew-point hygrometer,  dew-point meter. ΚΠ 1844    Proc. Amer. Philos. Soc. 1841–3 2 249  				Professor Baebe described a dew-point hygrometer. 1933    Discovery Dec. 360/1  				The dew-point apparatus..is designed to discover the temperature to which a metal must be cooled before dew will deposit upon it. 1956    W. A. Heflin U.S. Air Force Dict. 165/1  				Dew point depression, the lowering of the dew point by decreasing water content or pressure. 1958    Engineering 4 Apr. 422/1  				A dew point meter for use with any gases that are not corrosive to brass or copper. 1960    Aeroplane 99 624/1  				The dew-point front is the boundary between moist ‘maritime tropical’ air..and dry ‘tropical continental’ air. < as lemmas | 
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