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- Same as the nominal size of the pipe into which the valve will be installed. 与阀门将要安装的管道的公称通径相同。
- First, we will ameliorate and optimize the most standing N (with the diameter of 75mm) drill pipe structure, screw thread tie-in's configuration and size of the buckle to improve their intensity and security. 首先,对目前最常用的N(75mm 孔径)规格的绳索取心钻进系统的钻杆结构、接头螺纹扣形及尺寸进行改进和优化,使其有更高的强度和更大的可靠性。
- Nominal size of the pipeline into which the valve will be placed must be determined. 必须确定与阀门连接的管道的公称通径。
- The final configuration of drill pipe and the load applied on it are related to the sequence of loading due to non-conservativeness of plastic bending. 通过对超短半径钻杆转向过程的受力分析,建立了滑道的分段阻力模型,提出用滑道阻力系数评定滑道设计的优劣。
- The thicker tube ends and double top structure used by CASTON are able to strengthen torque and prolong service life of drill pipe. 在钻杆接头加工中，凯司通公司率先采用先进的管端加厚及接头双顶结构，大大增强钻杆的许用扭矩和钻杆寿命。
- Take model of drill pipe frame as a example, experimental modal based on ODS's testing method is studied and the modal parameter is distinguished and the testing results are analyzed. 以钻架模型为实例，研究了其ODS测试方法试验模态，识别其模态参数，分析其测试结果。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重钻杆。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- What is the exact size of the room? 这个房间的确切面积是多少？
- The digitization management of drill pipes in Chinese oilfields has been always restricted by traditional managing models. 长期以来,国内油田钻具管理的数字化发展一直受传统管理模式制约而成为技术瓶颈;
- Standard nominal size of opening components for buildings 建筑物开口构件标准标称尺寸
- Failure of Drill Pipe Internally-threaded Joint 钻杆内螺纹接头失效分析
- Standard nominal size of steel framed roof component for buildings 建筑物用钢制框架屋顶构件的标准标称尺寸
- Transient liquid phase bonding of drill pipe 石油钻杆的瞬时液相扩散焊技术研究
- His room is thrice the size of mine. 他的房间是我的房间三倍大。
- The drill pipes in some oil fields were diapired badly and continually and the diapiric happened to the intermediate belt's disappearance of drill pipes. 钻杆刺漏大都发生在钻杆加厚过渡带消失处,优化选择钻杆加厚过渡带几何尺寸是重要的措施。
- Standard nominal size of steel framed wall component for buildings 建筑物用钢制框架墙壁构件的标准标称尺寸
- What size of collar is this shirt? 这衬衣领子的尺寸是多少？
- Identification groove of drill pipe 钻杆识别槽
- The committee laid down rule about the size of tennis court. 委员会对于网球场面积的大小作出了规定。
