A typical heat medium heating system and cold medium cooling system were given.
笔者以本厂的醇酸树脂生产为例，介绍了热媒加热循环系统和冷媒冷却系统。
We have four levels of heating and four levels of cooling that include low, medium, high and very high.
我们有四级冷调及热调系统：低、中、高及超高。
Medium frequency high power induction heating apparatus, for many years has adopted silicon controlled as switching devices.
中频大功率感应加热装置，多年来一直采用可控硅做为开关器件。
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