1.
Application of the drilling method of anti-circulation and rotation in building concrete cutoff wall
反循环回转钻法造混凝土防渗墙在水利工程中的应用
2.
The Development of CHF-20 Percussive-Rotary Reverse-circulation Drill;
CHF-20型冲击—回转反循环工程钻机的研制
3.
Experiment and Analysis Study on Percussion Device of CHF-20 Percussion and Rotary Reverse Circulation Drilling Rig;
CHF-20型冲击-回转反循环工程钻机冲击机构试验及分析研究
4.
Application of the Positive Cycle Mechanical Rotary Boring Grout Pile on the Pile Construction of the Pebble Bed
正循环机械回转钻孔灌注桩在卵石层中的应用
5.
APPLICATION OF BIG BORE REVERSE-CIRCULATION CORING CABLE DRILLING TO CAVERN OF LIMESTONE
大口径冲击反循环钻进方法在岩溶地层中的应用
6.
Application of CJF Series Strike Backcycling Engineering Driller
CJF系列冲击反循环工程钻机的应用
7.
Principle and Application of Air-lift Reverse Circulation in Bored Pile
钻孔灌注桩气举反循环的原理与应用
8.
Hole Clearing by air-lift reverse circulation method in bored piles
冲(钻)孔灌注桩气举反循环清孔工艺
9.
which we circulate down the drill pipe.
即让泥浆顺着钻杆向下循环的方法。
10.
The research on indoor simulation method of gas circulation drilling in a similar way
气体循环钻井室内相似模拟方法研究
11.
Introduction and Control of Constructing Cast-in-place Pile by Normal Circulation Method
正循环法钻孔灌注桩施工介绍及控制
12.
STUDY ON HYDRAULIC ANTI-REVOLVE CORE SAMPLING TECHNIQUE OF PIT BORING WITH SINGLE TUBE
坑内单管水力反循环取心钻探技术研究
13.
Theoretical and Experimental Research on Reverse Circulation Constant Sampling and Powerful Compressed Air Spurting Drilling Technology;
反循环强力气体喷射钻进技术理论及试验研究
14.
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
15.
The Application of Pump Reverse Circulation Drilling Technique in Dewater Construction
泵吸反循环钻进工艺在降水工程中的应用
16.
Talk to application of counter circulating drill hole pour pile construction technique in engineering
谈钻孔反循环灌注桩施工技术在工程中的应用
17.
Application of backcycling in drilling cast-in-place pile of bridge
反循环工艺在桥梁钻孔灌注桩中的应用
18.
Application of Air-lift Reverse Circulation Drilling in Baoli ZK3 Deep Geothermal Well of Guizhou
气举反循环钻进技术在地热深井施工中的应用