To restore the original occurrence condition of a primary sedimentary structure is a routine work for palaeocurrent analysis.
恢复原生沉积构造的原始产状要素，是古水流分析中的一项重要基础工作。
To restore the original occurrence condition of a primary sedimentary structure is a routine work for palaeocurrent analysis.
恢复原生沉积构造的原始产状要素，是古水流分析中的一项重要基础工作。
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