compound ripple marks的意思|示意

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复合波痕

复波痕 ... 复变质作用 polymetamorphic rock 复波痕 compound ripple marks 复波痕 superposed ripple mark ...

复合波痕 ... compound origin deposit 复合成因矿床 compound ripple marks 复合波痕 compound volcano 复合火山 ...