大开孔 meaning in English

large openings

Finite element analysis of pressure vessle with off - angle large opening
压力容器斜大开孔的有限元应力分析
Stress concentration on thin cylindrical shells with large non - circular openings
圆柱壳非圆大开孔的应力集中研究
Experimental study on stain and stress of big - hole sealing head in fire - tube heating boiler
火筒加热炉大开孔封头应力应变试验研究
Finite element analysis of the reinforcement structure strength of pressure vessel with large opening
压力容器大开孔补强结构强度有限元分析
Finite element analysis and stress test for opening tubing connection on pressure vessels
内压容器壳体上矩形大开孔接管三维有限元分析与强度计算

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