Acoustics - guidelines for noise control by enclosures and cabins 声学.采用隔音罩和隔音室控制的噪音控制指南
Anc active noise control system 活性噪音控制系统
This involves the supply of noise control equipment , noise barriers , and vibration isolator , building noise control systems 包括供应噪音控制设备、隔音屏障、防震器、建筑噪音控制系统。
This involves the supply of noise control equipment , noise barriers , and vibration isolator , building noise control systems 包括供应噪音控制设备、隔音屏障、防震器、建筑噪音控制系统。
Acoustics . recommended practice for the design of low - noise workplaces containing machinery . part 2 : noise control measures 声学.有机械装置及设备的工作地点低噪音设计推荐惯例.第2部分:噪音控制度量
Acoustic enclosure , acoustic louver , acoustic panel , door and window , acoustic silencer , noise absorption material , vibration isolator 噪音控制设备隔音罩、隔音板、门及窗、灭声器、吸音材料、防震器
Acoustics . recommended practice for the design of low - noise workplaces containing machinery . part 1 : noise control strategies 声学.有机械装置及设备的工作地点低噪音设计实用推荐法.第1部分:噪音控制方法
Acoustic enclosure , acoustic louver , acoustic panel , door and window , acoustic silencer , noise absorption material , vibration isolator 噪音控制设备隔音罩、隔音板、门及窗、灭声器、吸音材料、防震器
An efficient convection cooling system and a thermostatically controlled fan keep this unit reliably cool and remarkably quiet . ideal for -高效的对流散热系统和温度调节控制风扇使硬碟机保持低温和宁静,散热和噪音控制表现可靠突出。