| 形 double-deck; having two layers; of two thicknesses |
| 双层床 double-deck bed; double-decker; bunk bed |
| 双层铺 double berth |
| 双层桥 double-decker bridge |
| 双层巴士 double-deck bus; double-decker |
| 双层车库 double-deck garage |
| 双层火车 double-deck train; double-decker |
| 双层玻璃窗 double glazed window |
| 双层沉淀池 Imhoff tank |
