To locate the optimal drill site, the team had to conduct the first detailed characterisation of the physiography of a sub-glacial lake.
为了确定最佳的钻探点，研究小组首先要确定详细的冰河湖的地貌。
Drill into parts of the query in more detail, such as referenced views and sub-queries, by expanding and collapsing sections of a complex SQL.
通过扩展和收缩复杂SQL的一部分，来深入获取更详细的查询部分，例如引用视图和子查询。
Creating a drill-through report from department to sub-department level.
创建从部门钻通到子部门级的报告。
After looking for the lift sub everywhere, we found it on the stand of drill co1lar.
在到处寻找之后，我们发现那个提升短节在钻铤上接着。
The landing is thread connected with stop ring and tightened on and put into downhole with drill string. The landing sub is used as a sub above drill string before check valve is run in downhole.
就位接头与止动环用螺纹联结并上紧扣和钻柱连接下入井内，在未投入止回阀时作为钻柱上的一个接头。
The purpose for the later is to improve the existing rotor screw drill for high efficiency. Subject heading: horizontal drilling screw drill tool control bending sub st...
研制后者的目的，在于改善现有中空转子螺杆钻具的软特性和低效率。
Pangolin also develop and produce a complete range of soil non-excavation drill, including Bit-oriented, sub-actuators, Drum-type Reamer, Flow-type Reamer, Plate-type Reamer, Adjustable joints.
我公司同样开发生产了规格齐全的土层非开挖钻具，包括导向钻头、分动器、筒式扩孔器、流道式扩孔器、板式扩孔器、变径接头等。
Pangolin also develop and produce a complete range of soil non-excavation drill, including Bit-oriented, sub-actuators, Drum-type Reamer, Flow-type Reamer, Plate-type Reamer, Adjustable joints.
我公司同样开发生产了规格齐全的土层非开挖钻具，包括导向钻头、分动器、筒式扩孔器、流道式扩孔器、板式扩孔器、变径接头等。
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