短語詞組短語Background equivalent wind load distribution 背景等效風(fēng)荷載分布background wind load 背景風(fēng)荷載Background wind response 背景風(fēng)響應(yīng)background noise of wind tunnel 風(fēng)洞背景噪聲background equivalent static wind load 背景靜力等效風(fēng)荷載time -variant background wind field 時變背景場solar wind background 背景太陽風(fēng) 返回 background wind