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静虚居士 发表于 2015-5-24 22:05 . l& ^% I1 j( m7 m* V第一张到第三张和十六、十七图片都是石灰岩,岩层夹杂少量硅质岩渗析,因为材质不同,抗风化能力出现差异, ...
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