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- The Calculations and Applications of Micro Perforated Panel Absorber 微穿孔板吸声结构计算及其应用
- Theoretical and Experimental Study of the Micro Perforated Panel Muffler for Pneumatic Motor in Roof Bolter 锚杆钻机气动马达微穿孔板消声器的理论分析与实验研究
- At last, the test for the MA60 APU noise with the micro perforated absorber is present in this paper. 最终将微穿孔板消声器安装到新舟60飞机APU的排气管道上在飞机场进行现场测试，得到了满意的降噪结果。
- Patt Perforated Panel is a kind of product which the small holes are on visible side and the big holes are on the rear, their core materials are medium density fiberboard (MDF) ,they can be used for wall and ceiling finish. "帕特"孔木吸声板是一种在中密度纤维板的正面、背面开圆孔的结构吸声材料，常用于墙面和天花装饰。
- Micro- perforated panel for underwater usage 水下用微穿孔板
- Results show that the acoustic system of micro perforation plate can effectively reduce discharge noise. 试验表明,微穿孔板吸声结构可有效地降低排气噪声。
- The influence of one-dimension compressible bias flow on the acoustic impedance of perforated panels was discussed with consideration of the compressibility of flow. 摘要从理论上研究了一维可压缩偏流对穿孔声阻抗率的影响，并分析了偏流对穿孔粘滞效应的影响；
- Sound Absorptivity and Application of Perforated Panel Structure 穿孔板吸声结构的吸声性能及其应用
- With high degree of automation and profession, our Numerical Control Punch has been producing loudspeaker perforated panels for international famous brand "EAW” for a long time. 网孔、面孔、拉深零件和五金制品。公司拥有雄厚的技术力量和生产能力，具有较强的模具设计和制造能力。专业水平高，规模生产，各种金属制品价格合理，品质优良。
- HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field,cleanliness,cleanliness recovery characteristic and resistance of the diffusion panel. 高效过滤器送风口扩散孔板的开孔情况影响着室内流场、室内空气洁净度、洁净室自净时间和扩散板阻力。
- perforated panel resonator with flexible tube bundle 束腔共振吸声结构
- My name is down on the panel of jurors. 我的名字已列入陪审员名单。
- He moderated on a weekly panel show. 他主持每周的讨论节目。
- The panel brought in a unanimous decision. 全体陪审员一致通过了一项决定。
- Experimental study on improving absorbing property of perforated panel 提高穿孔板吸声性能的实验研究
- This ceiling has a carved panel. 这块天花板带有刻花镶板。
- Sheets of postage stamps are perforated. 一张张的邮票都打过接缝孔。
- The target was perforated by bullets. 靶子上全是子弹打穿的孔。
- The panel was chosen to take part in discussion. 那个专门小组被选中参加讨论。
- How fast does the new micro process the data? 这新微型计算机处理数据有多快?
