core sample meaning in Chinese

土芯样本；岩芯样本
岩心试样
岩心样（岩样）
岩心样品
钻芯试样

Practice for core sampling of graphite electrodes
石墨电极核心取样的实施规程
I need to take some core samples for laboratory analysis
我需要取些岩心送实验室分析。
Preserving and transporting rock core samples
保存和运输岩芯样品
Research for permeability test of drilling core sample from pavement
路面钻芯取样试件渗透试验研究
Standard guide for core sampling submerged , unconsolidated sediments
浸没的非固结沉积物芯样的取样标准指南

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