| MD－50型钻机 |
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| 引用本文：范存孝.MD－50型钻机[J].钻探工程,1996,(2):26-27.. MD-50 Drill[J]. Drilling Engineering, 1996,(2):26-27. |
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| 范存孝 |
| 地矿部勘探技术研究所 |
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| 中文摘要:ＭＤ－５０型钻机是一种新型的全液压动力头式锚杆钻机，经北京等地岩锚和砂卵石层潜孔锤跟管钻进施工，都取得了满意的效果。本文对钻机设计中的有关问题作了介绍。 |
| 中文关键词:全液压，锚杆钻机，潜孔锤跟管钻进 |
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| MD-50 Drill |
| Fan Cunxiao |
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| Abstract:D-50 dril is a new all-hydraulic,top-head drive anchor drill.It has effectively used inboth rock anchor rotary drilling,as well as DTH drilling with simultaneously casing follow in sand and cobbleformations in Beijing. Some problems relating to design,of the drill are described' |
| keywords:all-hydraulic anchor drill DTH drilling with simultaneously casing follow -in, |
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