1.
The Development of CJ-130 Two-way Pneumatic DTH;
CJ-130型双向气动潜孔锤的研制
2.
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
3.
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
4.
Preliminary Study on Construction Crafts of CJ-130 Two-way Pneumatic DTH
CJ-130型双向气动潜孔锤施工工艺初步研究
5.
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
6.
Determining the Maximum Depth Method for Complex Formation Pneumatic DTH Drilling with the Casing
复杂地层气动潜孔锤跟管钻进最大深度的确定方法
7.
Applications of Secondary Development of ADAMS in Building Pneumatic DTH Hammer Virtual Prototype
ADAMS二次开发技术在气动潜孔锤虚拟样机建模中的应用
8.
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
9.
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
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.
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
12.
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
13.
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
14.
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
15.
The Application and Research of the Large Diameter Air Operated Down Hole Hammer in Guiding-hole for Pile-sinking at the Layer of Gravel and Boulders Mixed Together
大直径风动潜孔锤引孔技术在含漂石砾砂层预制桩施工中的应用与研究
16.
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
17.
cylinder impacting type pneumatic pile hammer
气缸冲击式气动桩锤
18.
semiautomatic control type pneumatic pile hammer
半自动操纵式气动桩锤