ceilings锅炉炉顶
ceilingn.天花板;上限
ceiling floor column天轨式立柱
ceiling air diffuser顶棚空气散流
Ceiling installation壁板安装
ceiling lighting lamp顶棚灯具
Ceiling radiant panel冷却顶板
ceiling area lighting顶棚照明
ceiling panel heating顶板供暖,顶棚板面供热
ceiling mount bracket吊装托架
ceiling concentration最高浓度
ceiling tracked hoist上限轨道式升降机