layer rock mass structure
layer rock mass structure
层状岩体结构
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Based on structure features of layer rock mass which has thin layer in roadsides, the concepts of thin layer weakness structure in roadsides and weak structure body has been put forward by this paper.
根据巷道两帮存在软弱夹层的层状岩体结构特征，提出了巷帮薄层弱结构与弱结构体的概念。
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