electrical circuit

彰化縣員林市崇實高工

The teacher is instructing the students on how to inspect the electrical circuits of refrigeration and air conditioning systems. 

老師正在指導學生如何檢查冷凍空調系統的電路。

Refrigeration and air conditioning systems, including refrigerators and air conditioners, require thorough troubleshooting. 

冷凍空調系統，包括冰箱和空調，需要徹底排除故障。

If there is an issue with the weak circuit, the compressor will not function properly. 

如果弱電路出現問題，壓縮機將無法正常運作。

They first eliminate any circuit issues before checking the compressor or refrigerant problems. 

他們首先排除任何電路問題，然後再檢查壓縮機或冷媒問題。