1)DTH hammer潜孔锤
1.The development of ZWC-95 mid-pressure air DTH hammer;ZWC-95型中风压潜孔锤的研制
2.Inner Hole Obstruction Mechanism Analysis of DTH hammer;潜孔锤内孔堵塞机理分析
3.Research and application on rock broken mechanism of pneumatic DTH hammer spherical tooth气动潜孔锤球齿碎岩机理研究
英文短句/例句
1.Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole嵌岩桩孔组合潜孔锤取心钻具的研制
2.Study on DTH with Self-propelled Round Bit and Its Simulation Analysis;钻头自回转型潜孔锤研究及仿真分析
3.The Development of CJ-130 Two-way Pneumatic DTH;CJ-130型双向气动潜孔锤的研制
4.Neural Network Method in the Penetration Rate Prediction of Percussive Drilling利用神经网络法预测风动潜孔锤钻速
5.Preliminary Study on a New Energy-saving Pneumatic DTH Hammer一种新型节能气动潜孔锤的初步研究
6.Research of Technology Problem with Pneumatic Downhole Hammer Core Drilling气动潜孔锤取心钻进工艺问题的研究
7.Application of Air-percussive DTD Hammar in Drilling Grout Hole in Xiaoshan Power Station风动潜孔锤在小山电站灌浆孔施工中的应用
8.The Parameters Optimization of the Reverse Circulation DTH Hammer and Studies on Its Drilling Technique;全孔反循环潜孔锤参数优化及其钻进工艺研究
9.Study of Non-Dig Oscillate-Drilling DTH Orientation Device Applied on Hard Rock Stratum;硬岩非开挖钻进摆动式潜孔锤定向机构的研究
10.Researches on the Key Technologies of Hollow-Through DTH Used in Gas Drilling气体钻井用贯通式潜孔锤关键技术研究
11.Research on the Technology Issue of Down-the-hole Hammer Drilling with Casing for Complex Stratum复杂地层潜孔锤跟管钻进工艺问题研究
12.Optimization design and finite element analysis on piston of GQ89 DTHGQ89潜孔锤活塞的优化设计及有限元分析
13.Preliminary Study on Construction Crafts of CJ-130 Two-way Pneumatic DTHCJ-130型双向气动潜孔锤施工工艺初步研究
14.Numerical Simulation and Optimum Design of Piston in GQ89 DTH HammerGQ89型贯通式潜孔锤活塞仿真分析及优化设计
15.A Brief Explanation of Air Actuated DTH Hammer Drilling Efficiency空气潜孔锤钻进是提高钻进效率的有效途径
16.Simulation and Experimental Study on Down-the-Hole Drilling Fluid Field of the Hollow DTH Hammer Reverse Circulation Coring and Sampling Technology;贯通式潜孔锤反循环取心（取样）钻进孔底流场模拟与实验研究
17.A Developing Conceive for Bundling Pneumatic DTH Hammer of Large-diameter Cast-in place Bored Pile发展大直径钻孔灌注桩捆绑式气动潜孔锤的一种设想
18.Penetration Mechanism of DTH Percussion Compact Drilling and Experimental Research on Compact Bit;潜孔锤冲击挤密钻进机理及挤密钻头的设计与实验研究
相关短句/例句
DTH潜孔锤
1.Drilling experimental study of run-through DTH in complicated broken stratum;贯通式气动潜孔锤在复杂破碎地层钻进的研究
2.Experimental Research on Run-through DTH Counter-Circulation Drilling Technique;贯通式潜孔锤反循环连续取芯技术的试验研究
3.Visual Software Development on Pneumatic DTH Design;可视化气动潜孔锤设计软件系统的开发
3)Down-the-hole hammer潜孔锤
1.The down-the-hole hammer drilling is to use compressed air as circulation medium substituted conventional mud,has solved problems of coalfield sealed fire area exploration high temperature water burst in boreholes,burnt rock loosen and developed fissures,instable and easy to collapse,broke through low drilling efficiency in hard rocks.潜孔锤钻进是以压缩空气代替传统的泥浆作为循环介质,解决了煤田火区勘察钻孔中高温水爆、烧变岩疏松裂隙发育、不稳定易坍塌的问题、突破了坚硬岩层硬钻探效率低的难题。
2.However, there are still many problems, such as: ambiguity classification of the complex stratums\' systematic; inexplicit of methods of determining reasonable drilling tools and regulations in complex stratums; uncertainty of the method of the depth of casing and its impact factors of Down-the-hole Hammer Drilling with Casing.潜孔锤跟管钻进技术可以很好的解决复杂地层钻进中的护壁难的问题,是针对复杂地层中钻进成孔的有效方法。
4)air-hammer drilling潜孔锤钻井
5)DTH hammer bit潜孔锤钻头
1.The process,impacting concrete slab with tungsten carbide button of DTH hammer bit,was simulating calculated by non-linear finite element software LS-DYNA3D on concrete model,the effects of different target mesh sizes of concrete on impaction force,impact velocity and penetration depth was discussed.潜孔锤钻头冲击钻进的过程是一个高度非线性、大变形、破坏的过程。
6)hydro-hammer液动潜孔锤
1.Working principle and structural features of SYZX75 wire-line coring hydro-hammer are presented.介绍了SYZX75型绳索取心液动潜孔锤的工作原理及结构特点。
2.The paper introduces technical specifications and structural concepts of newly developed "three-in-one" drilling tool(wire-line coring,hydro-hammer and PDM)and describes experiment of testing drilling hole and main borehole of CCSD.介绍了研制成功的绳索取心、液动潜孔锤、螺杆马达三合一组合钻具的技术参数、结构原理及其在中国大陆科学钻探工程试验钻孔和主孔的试验情况。
3.The evaluation result shows that hydro-hammer dril.评价结果表明,液动潜孔锤钻进方法是一种值得大力推广的高效钻进方法。
延伸阅读
揲揲锤锤1.象声词。促织的叫声。
