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我試圖利用自然界最普通的能源——風(fēng)能,不用消耗二次能源就可以進(jìn)行換氣的裝置,并且能夠持續(xù)地將廁所內(nèi)的空氣換掉。
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thrift of excellent traditional and style la ck de ep of understanding, one -sided t hink i n now of good situation Xia, e conomi c smoot h more fast devel opme nt, and reform made major progress, and pe ople livi ng sig nificantly impr ove, and social t he care er made ne w progre ss, no necessary always har d has, no awar eness to China a lso has many poverty area, nd al so has many poverty popu