刷牙时不关水龙头与关水龙头相比,将浪费多少升
人气:344 ℃ 时间:2019-10-10 01:15:27
解答
刷牙的时间有长短,水龙头的流量有大小,如果不关,可能会造成损失5升至200升吧,确实是个不小的数目.
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