Sub Drill的意思|示意
子钻
Sub Drill的网络常见释义
代换练习法 代换练习法（Sub Drill） 体式格局：教员在黑板上写下练习的句型。
Sub Drill相关短语
1、 drill pipe sub drill adopter 钻杆接头
2、 Drill Tool Lifting Sub 钻具提升短节
3、 command simulation drill sub-system 指挥模拟训练子系统
Sub Drill相关例句
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。
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。
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。
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。
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。