您要查找的是不是：
- Keywords navigational drilling screw drill tool cardan shaft rotary force analysis offset; 导向钻井;螺杆钻具;万向轴;旋转;受力分析;偏移距;
- Keywords navigational drilling;screw drill tool;life;power shaft;prime mover;fatigue failure;drilling accident;technical reform; 导向钻井;螺杆钻具;寿命;传动轴;原动机;疲劳破坏;钻井事故;技术改造;
- Keywords rotary;navigational drilling;technique;classification;bit; 旋转;导向钻井;技术;分类;钻头;
- Keywords rotary drilling;navigational drilling;drilling tool;stabilizer;statics;finite element method; 旋转钻井;导向钻井;钻井工具;稳定器;静力学;有限元法;
- Keywords Jiangsu oilfield slide navigational drilling bottom hole assembly Whipstocking hole trajectory; 江苏油田;滑动;导向钻井;井底钻具组合;造斜;井眼轨迹;
- Keywords engineering design;casing program;bottom hole assembly;hole trajectory;navigational drilling;drilling fluid performance control;Liaohe Oilfield;Shuang 602 Block; 工程设计;井身结构;钻具组合;井眼轨迹;导向钻井;钻井液性能控制;辽河油田;双602区块;
- Keywords closed-loop drilling system;navigational drilling;automatic drilling rig;top drive drilling;directional well;horizontal well;drilling cost;computer control;America; 闭环钻井系统;导向钻井;自动化钻机;顶部驱动钻井;定向井;水平井;钻井费用;计算机控制;美国;
- Becoming a proficient pilot takes time and is best done offline at first, with simple bombing scenarios and navigational drills to get you up to speed on how best to approach targets, navigate, deliver dumb ordnance, etc. 要成为一个技术精湛的飞行员需要时间，并且最好从单机（网下）开始练习，从简单的轰炸和飞行训练到快速接近目标，操纵飞机，投射炸弹等。
- Keywords Navigation;Microneurosurgery;Brain tumor; 神经导航;显微手术;脑瘤;
- navigational drilling 导向钻井
- Keywords rotary navigation drilling;eccentric stabilizer;continuous beam system;transverse vibration;frequency analysis;drilling weight;rotary velocity; 关键词旋转导向钻井;偏心稳定器;连续梁系统;横向振动;频率分析;钻压;转速;
- Keywords:overlong drilling and grouting pile; construction; quality control. 超长钻孔灌注桩；施工方法；质量控制；
- Keywords: GPRS; GPS; GIS; Protocol; Design?? 关键词：通用分组无线业务；全球定位系统；地理信息系统；协议；设计??
- Make bulk changes to keywords, ads, and ad groups. 批量更改关键字、广告和广告组。
- Some keywords in SQL are also reserved words. SQL中的一些关键字也是保留字。
- Are reserved keywords in Office projects. 是Office项目中的保留关键字。
- Click the Keywords button at the top of the window. 点按窗口顶部的“关键词”按钮。
- Mention your keywords inside the meta tags. 梅塔内提你主题词标识。
- Reserved keywords in the Remarks section. 之后的保留关键字。
- Keywords: Important words, search index. 关键字：重要字，供索引查。
