致冷器 meaning in Chinese

chiller
cryostat
freezer
refrigerstor

So this paper also introduces the theory and design method of temperature control system composed of the temperature sensor , the semiconductor cooler , the programmable pwm impulse generator , fan controller , the radiator and the fan
本文还论述了在胶片扫描系统中由温度传感器、半导体致冷器、可编程pwm脉冲发生器、风扇控制器、散热片和风扇等组成的温度控制系统的原理及实现方法。