1.
Effect Forecast for Methane Drainage with Parallel Drilling along Coal Seam
顺煤层平行钻孔瓦斯抽采效果预测方法
2.
This machine can be used drilling,core drilling, reaming,boring,tapping, spot-facing and chamfering etc.
可以进行钻孔、扩孔、铰孔、镗孔、攻丝、锪平面，倒角等工作。
3.
balancing centering machine
平衡-钻中心孔机床
4.
counterbore with guide
有导柱的平底扩充孔钻
5.
spotfacing and centering machine
平端面钻中心孔机床
6.
horizontal borehole pressure recorder
水平钻孔压力记录器
7.
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
8.
Application of the XY-1 type core drilling machine to horizontal drilling
XY-1型岩芯钻机在水平钻孔施工中的应用
9.
Stability Analysis and Experimental Study of Hole Wall in Soil Horizontal Drilling;
土体中水平钻孔孔壁稳定性分析及试验研究
10.
STEP HOLE DRILLING METHOD FOR MEASURING PLANE RESIDUAL STRESSES IN DEEP LAYER
钻阶梯形孔法测量深层平面残余应力
11.
The Construction of Bored Pile Underwater Platform of Wuzhong Huanghe Bridge
吴忠黄河特大桥钻孔桩水中平台施工
12.
Drilling is performed with a rotating tool called a drill.
钻孔是用一个称为“钻头”的旋转刀具进行的。
13.
tap(ping) drill
螺丝孔钻，螺丝底孔钻
14.
The sorker was drilling.
此工人在用钻孔机钻孔。
15.
The Research of Applying the Witrasonic Wave to Detect the Pole Base Drill Becoming Hole;
运用超声波对桩基钻孔进行成孔检测的研究
16.
the act of drilling a hole in the earth in the hope of producing petroleum.
在地上钻孔以期生产石油的行为。
17.
Improving Growth of Street Trees by Boring the Rhizo$pheric Soil for Aeration
土壤钻孔通气法对行道树生长的改善
18.
Rotary Drilling Bored Pouring Pile Constructed in Stratum with Difficult Working Condition
在困难地层进行旋挖钻孔灌注桩施工