 |
| |||
| 天花板 | |||
| |||
| 内顶板 | |||
| 顶棚镶板; 平顶镶板; 天花板; 顶棚嵌板 | |||
| ceiling panels: 60 phrases in 7 subjects |
| Architecture | 5 |
| Automobiles | 1 |
| Aviation | 1 |
| Metallurgy | 1 |
| Rail transport | 3 |
| Refrigeration | 1 |
| Technology | 48 |
|
| |||
| 天花板 | |||
| |||
| 内顶板 | |||
| 顶棚镶板; 平顶镶板; 天花板; 顶棚嵌板 | |||
| ceiling panels: 60 phrases in 7 subjects |
| Architecture | 5 |
| Automobiles | 1 |
| Aviation | 1 |
| Metallurgy | 1 |
| Rail transport | 3 |
| Refrigeration | 1 |
| Technology | 48 |