Under experimental deformation conditions, crack and microcrack are the primary characteristics of the deformation of the coal and rock performance.
在实验变形条件下，煤岩主体的变形表现以破裂与微破裂作用为主。
Under experimental deformation conditions, crack and microcrack are the primary characteristics of the deformation of the coal and rock performance.
在实验变形条件下，煤岩主体的变形表现以破裂与微破裂作用为主。
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