1.
Development of Pipe-handling System Based on Profibus
现场总线在钻杆操作系统中的应用研究
2.
Specification for operating of drilling, pitting and trenching
钻探、井、槽探操作规程
3.
The Analysis of Principle for Drill Frame of MG100 Hydraulic Roof Bolter
MG100全液压锚杆钻机钻架工作原理分析
4.
month corrector operating lever stud
月历校正器操作杆桩
5.
month corrector operating lever spring
月历校正器操作杆簧
6.
date corrector operating lever stud
日历调整器操作杆桩
7.
moon phase corrector operating lever stud
月相校正器操作杆桩
8.
day corrector operaing lever spring
周历调整器操作杆簧
9.
day corrector operating lever stud
周历调整器操作杆桩
10.
When a force is applied through the control rod to the control lever, the latter rotates through some angle θ.
当力通过操纵连杆作用于操纵杠杆时，操纵杠杆将转动一角度θ。
11.
Specification for operation of hydrographic geological drilling and digging for water-supply
供水水文地质钻探与凿井操作规程
12.
Drill press. Dimensions and operating clearance area can be specified.
钻床。可以指定尺寸和操作净空面积。
13.
Its main functions are maintaining borehole gage,improving drill string stability and protecting lower drill string from excessive wear.
其重要作用是保持钻头尺寸符合标准，提高钻杆稳定性，避免钻杆下部过于磨损。
14.
a mixture of clays and water; pumped down the drill pipe to lubricate and cool the drilling bit.
泥土和水的混合物，顺钻杆而下，起润滑和冷却钻头的作用。
15.
Drill stem tests are taken from some wells almost immediately after drilling and completion operations.
有些井刚钻完并进行完井作业后，就立即采取钻杆测试。
16.
The control stick of an aircraft.
操纵杆飞机的操纵杆
17.
manipulate the levers of a machine
操纵机器的杠杆 [操纵杆]
18.
The author discussed some key techniques in auger string hole straightening.
作者讨论了螺杆钻纠斜的几个关键技术问题。