semi-perfect ring

Star Ideal of Semi-Ring

半环的星理想

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The serious footdrop would occur if the lengthened amplitude exceeded 4 cm with semi-ring fixator.

半环形延长器延长超过4cm将产生严重的足下垂。

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Stress Analysis of Dual Semi-ring High Pressure Vessel

双合环高压容器应力分析

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Example all kinds of ball pens with famous brand: roller pens, fountain pens, pencils, semi-metallic pens, metallic pens, letter openers, pens with a key ring, straw-pen etc.

品种如万宝龙、派克、小西华的圆珠笔、水笔、钢笔、铅笔、半金属笔、金属笔、木柄放大镜、拆信刀、钥匙圈笔、草席笔等各种款式。

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This compliment never fails to flatter and honor the lucky wearer of the ring or other pieces of jewelry bedecked with precious or semi-precious stones.

这种赞美总是能够恭维并让佩戴镶着宝石或半宝石戒指或其他珠宝的幸运儿感到光荣。

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Design calculation of dual semi-ring ( DSR) high pressure vessel is introduced in this paper. It uses the method of stress analysis based on the theory of shells.

介绍了双合环高压容器的设计计算，它应用基于壳体理论的应力分析方法。

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