您要查找的是不是：
- Prestressed steel strand extension machine? 预应力钢绞线拉伸设备?
- The prestressed steel bars shall be threaded in loop by loop with manual work during the slipform elevation process. 预应力筋应随滑模提升过程逐圈用人工穿入。
- To expound the approach to get low relaxation property of prestress steel products and its effect factors, and the mechanism is discussed. 阐述了获取低松弛预应力钢材的途径及其影响因素,研究与探讨了预应力钢材低松弛性能的获取机理。
- The material properties of prestressed steel strand post high temperatures are studied by experiments and various cooling patterns are considered in the experiments. 试验研究预应力钢绞线在经历高温作用并冷却至室温后的力学性能。
- Ultra long stroke crosshead diesel engine 超长行程十字头式柴油机
- VSPT-PLUS plastic bellow has smaller friction coefficient, so it is used in the prestressed strand of large-span bridge so as to reduce appropriately reinforcement and save the prestressed steel. VSLPT PLUS 塑料波纹管 ,因其摩阻系数明显较小 ,故在大跨度桥梁预应力钢束应用中 ,可适当减少配筋 ,节约预应力钢材。
- ultra long haul optical telecommunication 超长距光通信
- In consideration of the randomness of elastic restraint stiffeness and both cable stiffeness and cable pretension, the general formulas for analyzing random internal forces of the prestressed steel truss by perturbation methed are obtained. 考虑到弹性约束刚度、拉索刚度和预拉力的随机性，进一步得到了随机参数预应力钢架随机内力摄动分析的一般公式。
- ultra long span route experience 超长距离电路实验
- Optimization design of prestressed steel trusses not only includes the optimization of sectional dimension of the bar but also the optimization of the different schemes of steel cables and the different pretensions of steel cables. 预应力钢桁架优化设计不仅包括钢桁架杆件截面优化 ,还包括布索方案和预拉力值的优化。
- ultra long synthesis picks the working surface 超长综采工作面
- The relationships between the anti-relaxation property of prestress steel products and the process parameters of stabilization treatment and other mechanical properties are researched. 研究预应力钢材抗松弛性能与其稳定化处理工艺参数及与其它力学性能之间的关系。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
- Relaxation Test for Prestressed Steel Products 预应力钢材的松弛试验
- Design of Cable-stayed Bridges with Ultra Long Main Span 超大跨度斜拉桥方案设计
- prestressed steel movable support 预应力钢构牛腿
- mattress type ultra long wave magnetic therapeutic apparatus 软垫式超长波磁疗机
