Rock mechanical experiments show that the tensile strength and shear strength of the mechanical weak planes are far less than that of the sediment beds with a few or no fossils.
沿化石层层理的抗张强度与抗剪强度远低于其他层位和垂直于层理方向的强度性质。
Rock mechanical experiments show that the tensile strength and shear strength of the mechanical weak planes are far less than that of the sediment beds with a few or no fossils.
沿化石层层理的抗张强度与抗剪强度远低于其他层位和垂直于层理方向的强度性质。
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