 鲜花( 12)  鸡蛋( 0)
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网址是: https://www.efficiencyalberta.ca/,选择residential-no-charge,注册就可以免费得到这些:
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! {# `4 v3 ^) M: ?' o* H& F- LED lightbulbs
- LED nightlights
- Faucet aerators
- Low-flow showerheads
- Advanced power strips for audio-visual equipment
- Smart thermostats+ G& C+ d( c- w" y9 T& {5 B: v
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个人觉得LED灯泡最好,可惜我已经买了,有点贵,但是据说可以用20年。! J/ Z, d3 d) y; H, q9 I* q3 X, ?% d
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