two-layer structure pattern 双层结构模式
two-way single-layer cable net structure 双向单层柔性索网结构
two layer soil structure 双层土壤结构
two-layer soil structure 分层土壤结构
two-layer rotor structure 两层转子结构
two-layer network structure 二层网络结构
two-layer stratigraphic structure 双层式结构
The observation of interfacial reaction layer showed that it is a two-layer structure.
对界面反应层的观察表明，反应层分为两层结构。
The results show that the ceramic coating is composed of a two-layer structure with the surface loose zone and the inner compact zone.
结果表明，陶瓷膜具有内部致密层和外部疏松层两层结构，膜层与铝基体为冶金结合。
There was a typical "two-layer structure" in Dapingzhang Cu-polymetal deposit, which was composed of the upper massive sulfide orebody and lower veinlet-disseminated sulfide orebody.
前言： 大平掌矿床由上部层状块状硫化物矿体和下部细脉浸染状矿体组成， 双层结构清楚。
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