有关地球几个圈层的说法正确的是 A.地球的各圈层都是连续而不规则的 b.地球的许多圈层之间都存在着物质迁移和能量转换 C.地球的各圈层都� Template




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tomski有关地球几个圈层的说法正确的是 a.地球的各圈层都是连续而不规则的 b.地球的许多圈层之间都存在着物质迁移和能量转换 coloring