7 H9 u4 Q- I8 |! p6 z+ E: \" Z$ ^7 {这个水表可不是测量用水量的仪表，而是用水“驱动”的钟表。tvb now,tvbnow,bttvb3 L. w. [- `6 L! @+ d3 N
你只要按照说明向里面加入一些盐水即可驱动手表运转，而避免了使用电池带来的污染。作者: limsp5 時間: 2008-10-8 11:26 PM
I remember a Korean who had invented a electricity generator using urine. I am sure it will work with brine.作者: chea76 時間: 2008-10-9 11:24 AM
can save buying battery or using elect. but actually clock doesn't use much of battery... normally can already last for year or 2...作者: shenngau 時間: 2008-10-9 11:56 AM
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