[問題] 電燈與檯燈哪個比較省?!
我一直有個疑問
一般家裡的吊燈跟桌上的檯燈哪個耗電量比較大啊?!
因為我家是樓中樓如果開天花般的燈就換全都亮~~
可是如果在一樓只開檯燈上面就也還要開一個檯燈(因為有2個人)
那請問我該開2個檯燈好還是開天花板的燈就好?!
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