Core Sample
岩芯样本
岩心样品
岩心试样
岩芯标本
土芯样本
钻芯试样
岩柱标本
核[心取]样
岩样
钻孔样
芯样
岩芯
柱样
partial increment core sample
physical and mechanical properties of core sample
preparation of core sample
representive core sample
core barrel with rubber core container
3D virtual borehole core images