...国土木工程学报 关键词: 开孔结构; Helmholtz效应; 风洞试验; 内部容积调节 [gap=1631]Keywords: structure with opening; Helmholtz effect; wind tunnel test; internal volume adjustment ..
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structure with opening hole 开孔结构
shell structure with opening 开口薄板结构
the structure with opening-reinforcement 容器开孔补强结构
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