大家都搜：
钻井效率
1、coulombic efficiency───库仑效率
2、efficiency wage───计件工资，效率工资；效率工资；计件工资
3、efficiency───n.效率；效能；功效
4、allocation efficiency───配置效率；[财]分配效能
5、drilling down───向地下钻；深度探讨
6、drilling───n.钻孔；训练，教练；演练；v.钻孔；训练（drill的ing形式）
7、basement efficiency───单间配套的地下公寓房
8、bicycling efficiency───自行车效率
9、fostering efficiency───培养效率
1、Approaches to Improve Oil Drilling Efficiency in North Shanxi───提高陕北石油钻井效率的途径
2、These measures can improve drilling efficiency and well completion quality.───这些措施，可有效提高钻效，提高成井质量。
3、Such problems must be highlighted because they are directly related to downhole safety and drilling efficiency.───该问题直接涉及井下安全和钻井效率，必须予以高度重视。
4、New Technology Creates a Step Change in Drilling Efficiency───新技术使钻井效率发生了跳跃性变化
5、How to further improve drilling efficiency, avoid downhole accidents and reduce cost are also discussed.───对今后进一步提高钻井效率、避免井下事故、降低成本进行了探讨。
6、The Efficient Path to Raise Wire-Line Drilling Efficiency───提高绳索取心钻进效率的有效途径
7、The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.───液压凿岩机工作时，冲击机构的能量损失对其效率有很大的影响。
8、Analysis of the Reason of Low Drilling Efficiency in Yilan Coal Mine───依兰煤田钻探效率低的原因分析
1、The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.
2、The operating performance quality of the roller bit, which is the most main broken crag tool, directly influence the well drilling quality, well drilling efficiency and well drilling cost.
3、A new idea was put forward to increase drilling efficiency and time availability ratio, reduce hole accident, decrease labor intensity in the complex formations.