<跨度风格=“字体大小:12磅;”> <强>声学天花板悬挂组件强> 跨度>进入了用途,因为建筑师,工程师和设计师需要一个经济实惠的方式来降低各种现代化的客房天花板高度。Lower ceilings help to control noise, increase the efficiency of heating and cooling systems, and provide a place to mount light fixtures. There are several variations of acoustic ceiling suspension assemblies; most common are concealed systems and accessible systems.