今天在一起五年的男朋友给了我一张节育环的宣传单。
Today, my boyfriend of five years gave me an information packet on Nuva-ring.
预应力张拉施工中夹片、钢绞线和锚环之间存在着很大的摩擦阻力。
There is much prestressing loss for friction resistance among wedge, steel strand and anchor-ring in engineering.
目的：检测环上颌骨骨缝区增殖细胞核抗原阳性表达，探讨缝牵张促进上颌骨生长发育的作用。
AIM To detect proliferating cell nuclear antigen PCNA positive expression in suture cells around maxilla and explore the improvement of suture expansion on the growth and development of maxilla.
采用气囊式内胎和连接式弹簧环结构减少磨削中振动影响，便于控制砂轮表面砂带的张紧力。
With the airbag internal capsule and continuous spring ring structure, grinding vibration is decreased and machining accuracy is improved.
介绍了采用卧式离心铸造技术，试制宝钢钢管轧机使用的复合针状球铁张减机辊环的过程。
This paper introduced that horizontal centrifugal casting technology is used to develop the composite acicular spheroidal graphite cast iron collar for tension reducing mill of Baogang pipe mill.
结果表明，锚索初始张拉力的大小对混凝土蜗壳及座环的应力状况有重要影响。
The results show that the values of the initial tensile force have an important effect on the stress situations of concrete snail shell and ring base.
施工过程中采用张拉径向索，测量环索的方法。
The method about radial cable tension and ring cable measurement is adopted during the process of construction.
我要买6张五环邮票和一套运动项目的。
I'd like six five-ring stamps and a set fo sports games ones.
我要买6张五环邮票和一套运动项目的。
I'd like six five-ring stamps and a set fo sports games ones.
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