漫射天花板diffuser: diffuser, diffusor n. ...ceiling: n. 1.天花板,顶板,顶篷。 2.(垫船底的)隔板,舱 ...ceiling diffuser: 顶棚空气散流器; 顶棚散流器; 天花板扩散型出风口ceiling air diffuser: 顶棚空气散流器ceiling light diffuser: 顶灯散光罩下载手机词典可随时随地查词查翻译