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點亮路燈不用通電 能源竟然來自狗狗?英國這個發明超棒

2018-02-25 15:16
寒冷的夜晚,路燈微弱的燈光帶給人們溫暖與安全感。您一定想不到,英國現在有一盞路燈,不用通電,只需要狗狗的便便,就可以用來發電點亮路燈!這一招有多麼妙?快點開影片看看吧!