rotary rock drill是什么意思

网络释义

用法例句

drilling machine, rotary, self-propelled, for oil or gas

旋转式钻机,自动推进式,油田或气田用

a rotary drill, clothes drier, switch, etc

旋转式钻机、 乾衣机、 开关等

kelly for well-drilling machiens

旋转钻孔,钻井机用

rotary wash-boring equipment

旋转式水冲钻孔设备

engine ,drill, dental, with swivel arm

牙科钻机,带旋转杆

screw-feed diamond rig

螺旋给料式金刚石钻机

hydraulic gait-model all-auger drilling machine

液压步履式螺旋钻孔机

auger backfiller

万能螺旋钻式回填机

great lengths of drill pipe which are rotated by an engine at the top,

钻杆顶部安装的发动机带动钻杆旋转，

Mechanics Model of Rotation Axis in Directive Rotary Steerable Drilling System

指向式旋转导向钻井系统旋转轴力学模型

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

Study on the Drivin of Cavity-front Constant-pressure Impact-rotary Hydraulic Roofbolter;

前腔常压式冲击旋转型液压锚杆钻机动力头的研究

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

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

a drill consisting of a bit and a brace to hold and turn it.

有钻头和可以握住和旋转的手柄的钻机。

Method for industrial test of rotary blast hole drills

GB/T10598.2-1989旋转钻机工业试验方法

a rotating drill powered by an electric motor.

用电发动机驱动的旋转的钻子。

automatic rotation stopper

自动旋转伸缩式凿岩机