A big hole generally cuts off a ring on the pressure hull of submarine, and is stiffened by coaming.

潜艇耐压壳体上大的开孔常常切断一根肋骨，并且用围壁进行加强。

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Finite cylindrical shells are the main structures of the pressure and non-pressure hull of submarine.

有限长圆柱壳是潜艇耐压和非耐压船体的主要结构形式。

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This thesis focuses on the attention on the study of pressure hull structure design of large deep diving submarine.

本论文主要研究大型深潜潜艇耐压船体的结构。

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Toshack also pointed out that Hennessey's place could be under increasing pressure from Hull's Boaz Myhill who is likely to playing regularly in the top flight with his newly-promoted club.

BBC: Tosh tips Hennessey for the top

Stoke seemed content to soak up Hull pressure and rely on counter-attacks, but both Etherington and Dean Whitehead skewed shots horribly off target from promising positions.

BBC: Hull 2-1 Stoke

But the Warriors held firm in the face of Hull pressure and for the second week in a row Richards popped over a drop goal to make it 21-14.

BBC: Hull 18-21 Wigan