干湿表的英文：
psychrometer

adiabatic saturation psychrometer
绝热饱和干湿度计

An aspiration psychrometer could destroy a delicate moisture balance.
抽吸式干湿球温度计能够破坏细微的水分平衡。

Psychrometer: An instrument for the accurate determination of relative humidity. It consists of a wet and dry bulb thermometer.
相对湿度计:可以准确的测量相对湿度的仪器。它由一湿球和一干球温度计组合而成。