The utility model relates to the field of nuclear fuel components, in particular to an upper tube seat of a pressure water reactor fuel element.

本实用新型涉及核燃料元件领域，具体涉及一种压水堆燃料组件上管座。

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The paper writes that it is better to increase the wall thickness of the body upper tube, rear tail tube and mounting plate for the rear sock absorber and also gives Suggestions for some structures.

提出了加大车体上管、后尾管、后减震器安装板各自壁厚及同时加大三者壁厚几种结构改进方案。

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Conclusions the improved Italy method is more convenience and suit than the traditional method in the total nasal reconstruction by the method of upper arm tube flap in clinic.

结论改良的意大利法，是一种较传统方法更方便、更适合于临床的用上臂皮管行全鼻再造的好方法。

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Two men were arrested outside a property in Lonsdale Square, and the third following an armed vehicle stop near Angel Tube station on Upper Street at 0225 GMT on Saturday.

BBC: Three men held under terror act

Lotem said that during the heart catheterization procedure doctors would use a thin plastic tube to insert an "umbrella-like" device that will seal the hole between the two upper chambers of the heart.

CNN: Sharon heart operation set for Thursday