1.
Study on drilling quality of samba 261 drill for VCR stope in Tonglvshan
铜绿山VCR法采场Simba261钻机凿岩质量研究
2.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
3.
high-thrust drill
强力钻机，高推力钻机
4.
kelly for well-drilling machiens
旋转钻孔,钻井机用
5.
churn-type percussion drill
无游梁绳式顿钻钻机
6.
mixed oil drilling rig
复合式石油钻井钻机
7.
The sorker was drilling.
此工人在用钻孔机钻孔。
8.
This drill can bore through rock.
这台钻机能钻透岩石.
9.
Raise-boring machines
GB/T12761-1991天井钻机
10.
spider bow [for well drilling machines]
星形斗[钻井机用]
11.
drilling machine, mining or quarrying, not self-propelled
开矿或采石用钻机,非自动钻机
12.
Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling
气体钻井钻柱动力学特性及钻柱失效机理研究
13.
SHALLOW HORIZONTAL DRILLING TECHNOLOGY BY USING VERTICAL-WELL RIG IN HENAN OILFIELD
河南油田直井钻机钻浅层水平井钻井技术
14.
diesel electric driving rig
柴油机发电驱动钻机
15.
gas electric rig
天然气发电机 钻机
16.
engine mud sill
钻机动力机下纵向底梁
17.
drilling-in unit
洗井和钻油层用的小钻机
18.
Oil whooshed up when the drill hit the well.
当钻孔机钻井时，石油喷了出来。