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Keyword [Hollow-Through DTH]
Result: 1 - 10 | Page: 1 of 1
1.
The Parameters Optimization Of The Reverse Circulation DTH Hammer And Studies On Its Drilling Technique
2.
Research Of Application And Drilling Tool Optimization Of Reverse Circulation Drilling Technique With Hollow-Through DTH Hammer
3.
Researches On The Key Technologies Of Hollow-Through DTH Used In Gas Drilling
4.
Research Of Drilling Process Optimization Of Reverse Circulation Drilling Technique With Hollow-Through DTH Hammer
5.
Research On Reverse Circulation Mechanism Of Hollow-through DTH Hammer And Bit Dtructure Optimization
6.
Numerical Simulation And Experimental Study On Gas-Solid Flow Field Of DTH Hammer Reverse Circulation Drilling
7.
Structure Design Of And Experimental Research On Reverse Circulation Down-the-hole Drill Bit Used In Rapid Drilling
8.
Study On The Drilling Technique For Detecting Multilayer Cavities
9.
Experimental Research On Key Technologies Of Reverse Circulation Coring With Hollow-through DTH Air Hammer
10.
Research On The Drilling Technology Of DTH Hammer Reverse Circulation
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