air conditioned ceiling
... 混凝土顶棚 concrete ceiling 通风顶棚 air conditioned ceiling 顶棚灰浆 ceiling mortar ...
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安装在汽车表面整修部门的喷漆、烤漆房的顶棚，作为通风设备的最终空气供给过滤棉。
Installed at the ceiling of the spray booth for automobile surface coating and repair departments, worked as the filter media for the terminal ventilation device.
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