ANSYS software is used to make a substantial pattern of hollow concrete slab lay. Solution is put forward to solve the damage to the lay by mechanical analyzing of the damage style to the surface lay.

运用ANSYS软件对空心板桥水泥混凝土铺装层进行实体建模，并针对铺装层破坏形式开展力学分析，提出铺装层破坏的解决办法。

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They are digging up the football field to lay a new surface.

他们正在把足球场挖开铺一层新地面。

《牛津词典》

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These lay deep below the surface of the Earth.

VOA: special.2009.03.04

While some shrimpers are eager to get back out, many are still working for BP, which has hired boats to skim oil off the surface and lay protective booms along the shorelines.

CNN: Allen: 'Our first goal is to do no harm' in Gulf

Female sturgeon don't become sexually mature until their 20s and spawn about every four years, so the spawning season, in which they surface from the depths to lay their eggs on rocky shores, is an extremely important time for the species.

WSJ: Standing Guard for the Sturgeon

With tact and care, the movie digs into all the subjects that lay concealed below the surface when Max Ophuls and Douglas Sirk were filming their own melodramas in the nineteen-fifties.

NEWYORKER: Far from Heaven