The wire-line coring tool of HSQ serial has kept up the technical features of conventional placer drills and derived the advanced structure from steel cable fishing tool for inner barrel.
HSQ系列绳索取心钻具，既保持了现用砂钻钻进的工艺特点，又发挥了钢绳打捞内管技术的方便性。
The paper presents the operational process of systematic coring, and sums up the experience of coring in the unconsolidated formation from analyzing each technical links in the coring.
文中介绍了系统取心的施工过程，通过详细分析取心的各个技术环节，总结出松散地层取心经验。
Once the probe has been hauled up, a coring device will be lowered down the borehole to take samples of the lake floor sediment.
探头拖上来后，会把一个除芯机放到钻孔里，采集湖底淤积物的样本。
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