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微缝吸声体
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微缝吸声体
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microslit sound absorber
微缝吸声体
将开有贯通窄缝的薄板四周密闭地安装在刚性壁面前,薄板与壁面之间留有适当深度的空腔而构成的吸收声能、降低声音的构件。
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Site-Memorial of First National Congress of the Communist Party of China
Site-Memorial of the Peasant Movement Institute Directed by Comrade Mao Zedong
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Site of Baijiao 1 Shipwreck at Dinghai
Site of Baofenglong Business Firm
Site of Baoling Port Shipwreck at Wenchang
Site of Baoquanyong Winery
Site of Beiping Library
Site of Beiyang Navy Dagu Dock
Site of Beiyang University
site of Capital of Cai
site of Capital of Kindom Lu,Qufu
site of Capital of Kingdom Zhao,Handan
site of capital of Lu in Qufu
site of Capital of Qi in Lingzi
site of Capital of Zhao in Handan
Site of Central Aviation School in Jianqiao
Site of Chang’an City of Han Dynasty
site of Chongqing Negotiations
Site of Coastal Defense at Zhenhaikou
site of Communist Party of China Office in Meiyuan Xincun
Site of Confucian Temple at Taipinghu of Huangshan
Site of Crime Evidence of Japanese Unit 731
Site of Cucuteni
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更新时间:2025/3/16 4:20:40