This is a energy comparison method using balance bridge.
这是一种利用平衡电桥和能量比较的方法。
The Tower bridge is often mistaken for London bridge which is dull in comparison.
如果不进行清晰地比较的话，这个塔桥经常被误解成就是伦敦大桥。
The Tower bridge is often mistaken for London bridge which is dull in comparison.
如果不进行清晰地比较的话，这个塔桥经常被误解成就是伦敦大桥。
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