The invention increases the heat exchanging area of the condenser, reduces the electrical consumption of the refrigerator .
2
它的耗电量也只有普通冰箱的一半，这样就可以将电费保持在穷人可以负担的水平上。
It also consumes only half the power so it keeps electricity bills at a level the poor can afford.
3
这是一种让电力一阵阵而不是一直流向冰箱的小机件，能让你每年的冰箱耗电量—电费—减少最多20%。
This is a small gadget that sends power to the fridge in short bursts, rather than continuously, and can save up to 20% of your fridge's annual running costs.
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