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微穿孔板吸声体
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微穿孔板吸声体
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micro-perforated panel sound absorber
微穿孔板吸声体
将穿有小孔的薄板四周密闭地安装在刚性壁面前,穿孔板与壁面之间留有一定深度的空腔而形成的吸收声能、降低声音的构件。
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Chinese speech information processing
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Chinese Sports Press Association
Chinese sports spirit
Chinese Sports Yearbook
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Chinese-staff-shaped vase
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chinese starjasmine stem
Chinese State-owned Assets Supervision and Administration Commission
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更新时间:2026/1/15 13:57:02