W 'th a ring type receiver at the top the night, of the lightning rod can be reduced and the degree of reduction is proportional to the radius of the ring.
顶部装有环形受雷器避雷针的高度可以降低，降低幅度与环半径成正比。
Listen w! Th your heart and you will understand.
用心聆听你的心声，就会明白。
O--- ten other people jumped into the river w--- found th…
其他十人跳入河中发现的事故---瓦特。
O--- ten other people jumped into the river w--- found th…
其他十人跳入河中发现的事故---瓦特。
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