The lamp lights when the transistor temperature probe is connected to the rear panel and its temperature is between -20~60’C.
当晶体管测温器接到后板上并且其温度在-20度到60度之间时，这盏灯就亮了。
The lamp lights when the transistor temperature probe is connected to the rear panel and its temperature is between -20~60’C.
当晶体管测温器接到后板上并且其温度在-20度到60度之间时，这盏灯就亮了。
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