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- The authors describe design of deep raise boring equipment and the experimental study on boring technology,and make an approach to some problems occurring in the deep raise boring test. 叙述了深天井钻进设备的设计和钻进工艺的试验研究,并对深天井钻进试验中遇到的一些问题进行了探讨。
- Deep raise boring 深天井钻进
- The paper analyzed the cause of the declination in a raise boring. 这文章分析了天井钻进偏斜的原因。
- The said incline raise borer, developed by Changsha Institute of Mining Re-search for incline raise boring in dip onebody mining,is the first generation product in Chi-na. 为了解决倾斜矿体开采中斜天井掘进问题,我院新开发了我国第一代斜天井钻机产品。
- Keywords The raise boring machine;Cutters;Reamer; 钻机;滚刀;扩孔钻头;
- Her face bore the deep imprint of suffering. 她的脸上带着受过苦难的深深的痕迹。
- Developing Tendency of Hydraulic Rotary Drill and Raise Boring Machine 液压旋转式钻机与反井钻机的发展趋势
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- Can you ladle the soup out of this deep pan for me? 你能从这个深底锅里舀点汤给我吗?
- A deep gorge separates the two halves of the city. 有一道深谷把这座城市分成两部分。
- Raise Boring Machine Applied to Coal Bunker Construction in Mine Mining District 反井钻机在采区煤仓施工中的应用
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- A deep ravine is on the left of the road. 有一道深沟在马路左边。
- Practice of using raise boring in excavation of guide hole for shaft with large angle of inclination 反井钻开挖大倾角斜井导孔的工程实践
- It has its roots deep in the Middle Ages. 它起源于遥远的中世纪。
- A deep melancholy runs through her poetry. 她的诗中贯穿著悲伤的情调。
- A heavy lorry floundered about in deep snow. 一辆重型卡车在厚厚的积雪中艰难地行进。
- Keywords raise boring method;pilot hole drilling;declination;declination correction; 反井钻井法;导孔钻进;偏斜;纠偏;
- She had just woken from a deep sleep. 她刚从熟睡中醒来。