各家风声的噪音值都是在实验室获取，会比日常家庭的实际数值要高。但不同产品间的数据可以横向对比一下。 Take part in Interactive Workshops: Have interaction in fingers-on workshops that offer purposeful information and facts and methods to apply smart city initiatives. 其实循环扇的功率往高了说最多也不超过50W，讲究什么一级能效，二级能效没啥意义。一般只有美的、格力这种做空调出生的大厂会特地... https://sustainableexhibitionstan19752.thelateblog.com/36234653/top-guidelines-of-custom-booth-design-for-smart-city-expo-barcelona