利用孔末端带毛刺及孔形改变改善微穿孔结构吸声性能

利用孔末端带毛刺及孔形改变改善微穿孔结构吸声性能的英文翻译

基本释义

• Improve the Sound Absorption Performance of Micro-Perforated Structure by Means of the Burr at the Bottom of Hole and the Change of Hole Form