If you have a newer refrigerator clean the condenser coils yearly to reduce dust and dirt.
如果你家的冰箱是新买不久的，那么就每年定时清理冷凝盘管里的灰尘和污垢。
The evaporator and the condenser are both copper coils, and there is some copper in the compressor, too.
蒸发器和冷凝器都是铜线圈，压缩机里也有一些铜。
The evaporator and the condenser are both copper coils, and there is some copper in the compressor, too.
蒸发器和冷凝器都是铜线圈，压缩机里也有一些铜。
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