1.
drilling machine, rotary, self-propelled, for oil or gas
![点击朗读](/dictall/images/read.gif)
旋转式钻机,自动推进式,油田或气田用
2.
a rotary drill, clothes drier, switch, etc
![点击朗读](/dictall/images/read.gif)
旋转式钻机、 乾衣机、 开关等
3.
kelly for well-drilling machiens
![点击朗读](/dictall/images/read.gif)
旋转钻孔,钻井机用
4.
rotary wash-boring equipment
![点击朗读](/dictall/images/read.gif)
旋转式水冲钻孔设备
5.
engine ,drill, dental, with swivel arm
![点击朗读](/dictall/images/read.gif)
牙科钻机,带旋转杆
6.
screw-feed diamond rig
![点击朗读](/dictall/images/read.gif)
螺旋给料式金刚石钻机
7.
hydraulic gait-model all-auger drilling machine
![点击朗读](/dictall/images/read.gif)
液压步履式螺旋钻孔机
8.
auger backfiller
![点击朗读](/dictall/images/read.gif)
万能螺旋钻式回填机
9.
great lengths of drill pipe which are rotated by an engine at the top,
![点击朗读](/dictall/images/read.gif)
钻杆顶部安装的发动机带动钻杆旋转,
10.
Mechanics Model of Rotation Axis in Directive Rotary Steerable Drilling System
![点击朗读](/dictall/images/read.gif)
指向式旋转导向钻井系统旋转轴力学模型
11.
Application of Combination Construction Method with Rotary Drilling Rig and Rotary Table Rig
旋挖钻机与转盘钻机组合施工法的应用
12.
Study on the Drivin of Cavity-front Constant-pressure Impact-rotary Hydraulic Roofbolter;
![点击朗读](/dictall/images/read.gif)
前腔常压式冲击旋转型液压锚杆钻机动力头的研究
13.
The Study on Position Measurement and Control System of Bias Unit in the Rotary Steerable Drilling Tool
指向式旋转导向钻具偏置机构位置测控系统的研究
14.
Study on Trajectory Measurement Technology of the Point-the-Bit Rotary Steerable Drilling System
指向式旋转导向钻具钻孔轨迹测量研究
15.
a drill consisting of a bit and a brace to hold and turn it.
![点击朗读](/dictall/images/read.gif)
有钻头和可以握住和旋转的手柄的钻机。
16.
Method for industrial test of rotary blast hole drills
![点击朗读](/dictall/images/read.gif)
GB/T10598.2-1989旋转钻机工业试验方法
17.
a rotating drill powered by an electric motor.
![点击朗读](/dictall/images/read.gif)
用电发动机驱动的旋转的钻子。
18.
automatic rotation stopper
![点击朗读](/dictall/images/read.gif)
自动旋转伸缩式凿岩机