The optimum design of impact drilling machine tower system can be developed based on the data and result.

以上计算和分析的结果，对冲击钻机钻塔系统优化设计具有实际应用价值。

youdao

Supporting the use of impact drilling electric drill. Drilling, hole spacing with hole depth should meet the design requirements.

钻孔使用配套冲击电钻。钻孔时，孔洞间距与孔洞深度应满足设计要求。

youdao

Rotary impact drilling is a new petroleum drilling technique, is one of effective methods to increase drilling efficiency in hard formations.

旋冲钻井技术是一项新型的石油钻井工艺技术，是提高硬地层钻井效率的有效方法之一。

youdao

The state government is reviewing the environmental impact of drilling in the Marcellus Shale.

FORBES: In Depth: A 'Golden Age' for Natural Gas?

An environmental study is required to establish what the impact of drilling will be on the local ecosystem.

FORBES: EPA is Obama's Offshore Drilling Ace in the Hole

Recently, there have been concerns regarding the environmental impact of drilling in shale reserves, by a process called fracking.

FORBES: Chesapeake Good For $38 But Faces Big Fracking Headaches