Dewpoint hygrometers provide an absolute measurement of humidity and therefore are essentially self-calibrating.
湿度的绝对量测值，因此它基本上是自动标定的。
2
The dew condensation problems have been substantially discussed under the condition that the inside surface temperature of exterior wall is higher than that of the indoor dewpoint.
本文在建筑物外墙内表面温度大于室内空气露点温度的条件下，对结露问题做了实质性的讨论。
3
When the entering temperature of the secondary air is lower than the dewpoint temperature of the primary air, there may be a dehumidifying cooling pro-cess in the primary air passages.