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。
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。
简答网 · 双语娱乐资讯
简答网 · 中考英语
简答网 · 高考英语
简答网 · 初中英语作文