microcrack of rock 岩石微裂纹
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。
The wet grinder machine is mainly applied in foundation treatment field, and accorded with the grouting demand in rock zone with microcrack.
水泥湿磨机主要应用于基础灌浆处理领域，适用于微裂隙发育的区域灌浆。
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