安裝冷氣管線沒抽 真空 恐影響冷媒效率. 36,600 views36K views. Jun 19, 2016 ... How to Evacuate an AC system, Full Vacuum Procedure. HVAC School. ... <看更多>
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安裝冷氣管線沒抽 真空 恐影響冷媒效率. 36,600 views36K views. Jun 19, 2016 ... How to Evacuate an AC system, Full Vacuum Procedure. HVAC School. ... <看更多>