1.
churn-type percussion drill

无游梁绳式顿钻钻机
2.
hand churn drill

手动钢绳冲击式钻机
3.
mixed oil drilling rig

复合式石油钻井钻机
4.
To bore(a shaft) with a trepan.

钻用钻井机钻(矿井)
5.
Study on the Wire Rope Enwinding System for the Roller in ZJ70D Drilling Rig;

ZJ70D钻机滚筒钢丝绳缠绕系统研究
6.
bar rigged drifter

架式风钻,架式凿岩机
7.
screw-feed diamond rig

螺旋给料式金刚石钻机
8.
corer concrete cutter

钻心式混凝土切削机
9.
hand-held non-electric power-operated boring tools

手提式非电动机动钻具
10.
hydraulic gait-model all-auger drilling machine

液压步履式螺旋钻孔机
11.
auger backfiller

万能螺旋钻式回填机
12.
drill ,interchangeable, of base metal, for hand or machine tolls (excl. those for rock drilling or earth boring)
钻头,可互换式,贱金属制,手工具或机床用(不包括凿岩或钻土用钻机)
13.
ON A CONTROL METHOD OF MICROCOMPUTER CONTROL SYSTEM FOR DISC BRAKE AUTODRILLER

钻机盘式刹车自动送钻微机控制方法的研究
14.
Diamond core drilling equipment--Wire line system

GB/T16951-1997金刚石绳索取心钻探钻具设备
15.
high-thrust drill

强力钻机,高推力钻机
16.
Safety of disc brake automatic driller system

钻机盘式刹车自动送钻中的安全性研究
17.
Preliminary Study on Well Drilling Technique of Semi-Submersible Drilling Platform with Dual Derrick Rig
半潜式钻井平台双井架钻机作业工艺初步研究
18.
kelly for well-drilling machiens

旋转钻孔,钻井机用