- 重点词汇
- upadv. 在上面，在高处;起床，起来;向上;由低到高;
- pickvt.& vi. 挑选，挑拣;挖，采，摘，剔，扒;挑剔;
- drill stem钻杆;
- testn.试验;考验;测验;化验;
- tooln.器具，工具;（有助于做工或完成某事的）用具;受人利用的人;压印机;
- 相关例句
The longer the single drill pipe , the lesser the critical compressive force of drill stem.
钻杆的单根长度越长, 钻柱所能承受的临界载荷越小.
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计算结果表明:随钻柱与井眼间偏心度增大,波动压力减小.全偏心情况下的波动压力大约只有同心情况下的一半.
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The drill fluid in the drill stem increases the inertia of lateral vibration.
钻柱内的钻井液增加了钻柱横向振动的惯性质量.
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Many of the reports allow you to drill down and segment for in-depth analysis.
许多报告可让您深入和市场的深入分析.
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The vectorial angle method is employed to evaluate the validness of every drill-down operation.
本文采用向量夹角法评估下钻操作的有效性,并给出了对应的高效下钻路径裁剪算法.
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高层管理者应把决策权和责任下放给负责资本运作的操作层管理者.
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The teacher drilled the English class until they knew the words well.
英语课上,老师训练学生直到他们掌握好了这些词为止.
词典精选例句
The discovery well was drilled in 1927 on the basis of magnetic and torsion-balance surveys.
其发现井是1927年根据磁力和扭称测量结果而钻探的.
词典精选例句
Better germination is obtained if the seed is sown or drilled shortly after a shower.
下雨后即播种会更好促进发芽.
词典精选例句
The pain is often likened to being drilled through the side of the head.
这种疼痛常被比作钻头钻入头部的感觉。
《柯林斯高阶英汉双解学习词典》
