A dewpoint sensor measures air humidity and prevents the Windows from misting.
车内的露水传感器能测量空气湿度，避免车窗出现水汽。
2
The corrosion mechanisms of low temperature dewpoint corrosion and improvements of atmospheric air pre-heater to resist low-temperature dewpoint corrosion were introduced.
文章对烟气低温露点腐蚀的机理以及常压炉空气预热器耐低温露点腐蚀的改进措施做了介绍。
3
The NWS Web site features a handy on-line calculator for determining the heat index based on a combination of either temperature and relative humidity or temperature and dewpoint.