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Keywords rotating control head;ruber core;failure;countermeasure; 旋转控制头;胶芯;失效;对策;
Rotating Control Head(RCH)is a critical equipment used for underbalanced drilling technology. 现国内各大油田使用的旋转控制头均是从国外引进 ,价格昂贵。
Research of the dynamic properties of rotating control head 旋转控制头侧向力研究
Development and Application of High-pressure Rotating Control Head 欠平衡钻井用高压旋转控制头的研制和应用
Influence of lateral force on reliability of bearing assembly of rotating control head 侧向力对旋转控制头轴承总成可靠性的影响
Where Is International Arms Control Heading For? 国际军备控制向何处去?
This study will discuss the working principle, rotating control system and also the design of the superconducting motor. 本文讨论了应用迈斯纳效应的超导电机的工作原理，电机的设计方案。
Under radar control heading 265 descend to 6000 feet. 雷达管制航向265下降到6000英尺。
Keywords rotating magnetic field;welding arc;IPM; 旋转磁场;焊接电弧;IPM;
Keywords rotating machinery;shaft current;degaussing experiment; 旋转机械;轴电流;消磁实验;
Avoid setting access-control and audit changes on the domain network controller head. 避免在域网络控制器顶部设置访问控制和审核更改。
Keywords rotating packed bed （RPB）;cross-flow;pressure drop; 旋转填料床;错流;压降;
Among ways to provide rotational control of the rims within the frames are a pinion and gear system or a chain and sprocket system. 在方法之中在框里面提供边缘的旋转控制是小齿轮和传动机构系统或链条和链轮系统。
Liao, H., and Y. Shun, 2003h" A Less Volatile Price: Rotation Control", Marketing 23rd North American IAEE Conference, Mexico City, Mexico. 廖惠珠与孙育伯，2003，"从供给面论国际油价变迁及我国可因应之对策"，第一届石油策略规划与管理研讨会
The universal program was worked out and operated on the first electrohy-draulic controlled head beam of support WS1. 7-210/450. 对国内引进的第一套WS1．7-210／450型电液控制液压支架的顶梁进行了实际运行。
Liao, H., and Y. Shun, 2003 "A Less Volatile Price: Rotation Control", 23rd North American IAEE Conference, Mexico City, Mexico. 廖惠珠与孙育伯，2003，"从供给面论国际油价变迁及我国可因应之对策"，第一届石油策略规划与管理研讨会
In OBS network, bursts are sent out an offset time after their control heads without an acknowledgement. 在OBS网络中,突发包在控制包发出一段时间(称为偏置时间)后,不等收到带宽资源预留的确认信息,就发送出去了。
Keywords rotating magnetic field;IPM;constant current control;distribution of the magnetic filed;welding arc; 旋转磁场;IPM;恒流控制;磁场分布;焊接电弧;
Keywords rotating blowout preventer structure principle application; 旋转防喷器;结构;原理;应用;
Keywords rotating packed bed （RPB）;urea formaldehyde resin;free formaldehyde; 旋转填料床;脲醛树脂;游离甲醛;