1.
and the search for oil has done more to improve deep drilling,
寻找石油对改进深孔钻探作的贡献很大，
2.
Application of Pre-floating Measures in Deep-hole Drilling in the Complex Strata
预飘措施在复杂地层中深孔钻探中的运用
3.
Drilling 50 yards deep,
钻孔至50码深处，
4.
Research on Deep Hole Wire Line Core drilling Tech.in Complicated Stratum
复杂地层中深孔绳索取心钻探技术研究
5.
Treating difficulties occurred during deep exploration hole drilling under complicated geological conditions
复杂地质条件下深部钻孔勘探疑难问题处理
6.
guide twist drill
有导径的深孔麻花钻
7.
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。
8.
Combining the experience of bored cast-in-situ concrete pile construction for an approach bridge, this paper discusses the construction control measures for bored cast-in-situ concrete pile in deep soft soil.
结合某引桥钻孔桩施工的经验，探讨深厚软基区的钻孔灌注桩的施工控制措施。
9.
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
10.
An approach to determining pre-drilling formation pore pressure with credibility for deep water exploration wells
深水探井钻前含可信度的地层孔隙压力确立方法
11.
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
12.
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
13.
Site 782A (ODP,Leg125)lies on the eastern margin of the Izu Bonin forearc basin,about halfway between the active volcanic arc and the Izu Bonin trench in the western Pacific Ocean. The borehole 782A,476 8 m deep,was fully cored and described.
大洋钻探工程”125航次的782A钻孔位于西太平洋菲律宾海东北部,井深476.8m。
14.
International Deep Sea Drilling Project/Ocean Drilling Programme
国际深海钻探计划/大洋钻探计划
15.
Turns on Lathe Digs Drilling Machine Construction Drill Hole Filling Pile Craft to Discuss
旋挖钻机施工钻孔灌注桩的工艺探讨
16.
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。
17.
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.
18.
high efficiency drilling system for small and deep hole
高效小直径深孔钻削系统