Analysis was made on piping stratum structure and stratified piping.
本文对管涌地层构造和层状管涌进行了分析。
The formation on Microstructure and micropore of Stratified Composite Rock are researched. The structure characteristics are analyses by means of SEM.
研究了层状复合岩石微结构及微空隙的形成，利用电镜观察分析了它们的结构特征。
The formation on Microstructure and micropore of Stratified Composite Rock are researched. their structure characteristics are analyses by means of SEM.
研究了层状复合岩石微结构及微空隙形成，利用电镜观察分析了它们的结构特征。
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