一个没有拧紧的水龙头,1时大约浪费多少升水?
没有拧紧的水龙头,一滴一滴的流,大约一秒一滴.
人气:399 ℃ 时间:2019-11-09 09:45:53
解答
一滴水的体积大约是0.05毫升(0.05毫克),一小时大约0.05×0.001×60秒×60分=0.18升
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