It is said that the accident was aroused by the unexpected collapse of the enclosing wall of the stadium, resulting the trample when the nearby audience tried to stampede from the field.
有消息说，引发这一意外事件的原因是体育场的一面墙突然坍塌，致使附近的观众在恐慌中夺路逃离现场时发生了踩踏事件。
As it approaches a concrete wall enclosing another part of the park, the steel surface slopes steeply to form a slide with a polished surface that intersects with the top of the wall.
当金属漫道与另个公园的混凝土围墙交接时，金属坡道急剧下降形成滑梯，滑梯与顶部墙面交接的地方采用了抛光的金属板。
On engine cases, installation base can be simplified by a mechanics model, which is case shell with hole and a complex of enclosing wall and reinforcing plate for increase strength.
发动机机匣上安装凸台结构，可简化为机匣壳体开孔后用围壁和加强板组合补强的力学模型。
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