我记得有人复制过小号的,问题是难的就在跨度。
现在有了钢结构、有了复合材料,谁还会不计成本复制呢?
然后就是,即使复制成功了,谁能保证两千年不倒?
我记得有人复制过小号的,问题是难的就在跨度。
现在有了钢结构、有了复合材料,谁还会不计成本复制呢?
然后就是,即使复制成功了,谁能保证两千年不倒?
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