【建筑】带隔音板的地板（带夹层的地板）【建筑】井格地面（格纹地板）

coffered ceiling (waffle ceiling, cored ceiling)

rib-span form, form;for coffered eilings

supporting beam for the shuttering form of coffered

form for coffered ceilings

supporting, form for coffered ceilings (coffered ceiling boarding), rib-span form

form for coffered ceilings (coffered ceiling boarding)

rib reinforcement form for coffered ceilings, rib-span form

form for coffered ceilings, rib-span form