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1.
Construction Technology for the Ultra-large and Ultra-deep Cast-in-place Bored Pile Testing Pile of Jiashao Bridge
嘉绍大桥超大超深钻孔灌注桩试验桩施工技术
2.
Construction of 90 m Super Deep Bored Pile and Post-Grouting of Bottom Pile
90m超深钻孔灌注桩及其桩端后注浆的施工
3.
Drilling 50 yards deep,
钻孔至50码深处,
4.
Technique for Construction of Large Diameter Over-long Drilled Piles in Complex Geology in Deep Water
深水复杂地质大直径超长钻孔桩施工技术
5.
Key Construction Technique for Super-long and Large-diameter Bored Pile
深水超长大直径钻孔灌注桩施工关键技术研究
6.
Since the inception of this project in1998, three pre-pilot holes have been completed and the main hole has reached a depth of over3500 m.
从98年开始,已经完成3个预先导孔的钻探工作,主孔钻进深度已经超过3500米。
7.
guide twist drill
有导径的深孔麻花钻
8.
APPLICATION OF DUPLEX REINFORCED CONCRETE BORING CAST-IN-PLACE PILE ON LARGE-SCALE DEEP EXCAVATION SUPPORT
双排钢筋混凝土钻孔灌注桩在大面积超深基坑支护中的应用
9.
Application of Wireline Core Drilling in Coalfield Ultra Deep Boreholes
绳索取心钻进技术在煤田勘探超深孔施工中的应用
10.
Study on drill bit for large diameter core drilling of deep hole in hard rock
硬岩深孔大口径取芯钻进的钻头研究
11.
Design and Realization of the Monitoring System in Deep-Sea Drilling Machine
深海中深孔钻机监控系统设计与实现
12.
The first choice is to dig our heads and oil drills deeper into the ground.
第1种选择就是用石油钻孔机钻至更深的地底。
13.
Supporting the use of impact drilling electric drill. Drilling, hole spacing with hole depth should meet the design requirements.
(1)钻孔使用配套冲击电钻.钻孔时,孔洞间距与孔洞深度应满足设计要求.
14.
high efficiency drilling system for small and deep hole
高效小直径深孔钻削系统
15.
STEP HOLE DRILLING METHOD FOR MEASURING PLANE RESIDUAL STRESSES IN DEEP LAYER
钻阶梯形孔法测量深层平面残余应力
16.
Study on High Speed Drilling in Deep 38CrMoAl Steel Tube;
38CrMoAl料筒高速深孔钻进研究
17.
The CAD and research of drill bit escape of clips for the deep hole processing drill
深孔加工钻头排屑研究及CAD设计
18.
Stability and Bifurcation of the Drilling Shaft System in Processing Deep Hole Based on Boring and Trepanning Association
BTA深孔加工钻杆系统的稳定性及分岔