gas noise damping 气流降噪
without noise damping hood 无噪音阻尼罩
Noise-damping slot 消音细缝
vibration-noise damping 阻尼减振降噪
The mechanism of noise damping by interlayered alloy was discussed on emphasis.
并着重阐述了阻尼合金夹层的消音机理，试验证明。
Through experiment, rational joint technology was defined and matrix of diamond saw blade with noise damping was prepared.
试验出合理的基体连接工艺，并成功地制备出具有消音功能的金刚石锯片的基体。
Noise damping foam products: car door plate, underbody, trunk, an engine case, roof, die-cutting products for dashboard, noise reduction, headline.
降噪减震泡棉产品：车门板，车底，后备箱，发动机箱，车顶，仪表盘用模切产品，降噪减震。
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