- drilling
 - ['driliŋ]
 - n. 钻孔;训练,教练;演练
v. 钻孔;训练(drill的ing形式) 
同义词
           
       参考例子
           - 1.To master drilling technique is very important to drilling workers.
 - 掌握钻井技术对钻井工人是十分重要的。
 
- 2.A good way to help you to improve drilling technique is to use a jet bit.
 - 能帮助你们改进钻井技术的一种好方法是使用喷射式钻头。
 
- 3.Helical flow in the annular is a common flow pattern in drilling, and it is an important engineering problem for fast and accurate calculating of the flow field and pressure gradient.
 - 环空螺旋流是钻井液在钻井作业中常见的一种流型,怎样方便、快速及高精度地计算其流速场与压力梯度是一个重要工程问题。
 
英文解释
           - n.
 - 1.the act of drilling
 - 2.the act of drilling a hole in the earth in the hope of producing petroleum
 
网络释义
               - DRILLING
 - 钻孔位; 钻孔; 钻探; 钻取;
 
- rotary drilling
 - 旋转钻探; 回转钻探; 旋转钻井; 旋式孔;
 
- percussive drilling
 - 冲击钻探; 冲击钻井; 冲击凿岩; 冲击钻孔;
 
- percussion drilling
 - 冲击钻探; 冲唤钻眼; 冲魂井; 冲魂;
 
- safe drilling
 - 安全钻井;