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- 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
- hydraulic rotary drill 液压回转式钻机
- Hydraulic system design and analysis for hydraulic rotary drilling rig 全液压旋挖钻机液压系统设计与分析
- The mast assem-bly supports the rotary drill head and its hoisting mechanism. 支架组件支持转动钻头及其提升机构。
- hydraulic rotary drilling 液压旋转式钻进
- Based on analysis of application prospects of rotary drilling in petroleum drilling, this paper presents the structure and working principle of the new hydraulic kicker. 在分析了冲击旋转钻井技术在石油钻井中的应用前景的基础上,介绍了新型液动冲击器结构及工作原理;
- a rotary drill, clothes drier, switch, etc 旋转式钻机﹑ 乾衣机﹑ 开关等
- Hollow- shaft hydraulic rotary motor 中空液压马达
- Rotary drill rod used for coal mining roofbolter 煤矿锚杆钻机用回转钻杆
- Brief Introduction for Application of Rotary Drill 旋挖钻施工简介
- Specification for Rotary Drill Stem Elements 旋转钻柱规范
- Research on the small-Bore Drill of Rotary Drill 关于粘土层使用小口径旋挖钻机的探讨
- The LB 28 large rotary drilling rig is an ideal complement to the LRB combined piling and drilling rigs. LB28大型旋转钻机是LRB组合打桩和钻孔机器的理想补充。
- In order to avoid the pollution caused by slurry around bridge-building sites, they use dry-boring by rotary drills where possible. 桥梁施工中为减少泥浆对桥位处的环境污染,尽量采用旋转钻机干法成孔。
- With expert chassis of Rotary drilling rig and strong box type mast, it has high working stability. 应用徐工成熟技术制造的旋挖钻机底盘,结实的箱型臂架,具有超强稳定性;
- Method of Blade Adjustment for Hydraulic Rotary Shear 液压摆式剪板机刀片调整方法
- The forming mechanism of the bias force is the key to the study of the modulated steerable rotary drilling system. 导向力的形成机理是研制旋转导向工具的核心。
- In order to avoid the pollution caused by slurry around bridge-building sites,they use dry-boring by rotary drills where possible. 桥梁施工中为减少泥浆对桥位处的环境污染,尽量采用旋转钻机干法成孔。
- In modern rotary drilling, especially formulated mud is used in the well to keep the reservoir fluids in place, among other functions. 在现代旋转钻探作业中,经特殊配制的泥浆的功用之一就是使油井中储集层流体保持在原位不动。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。