 |
| |||
| arch-ring | |||
| arch element (圈，单元) | |||
| arch ring; horizontal arch element | |||
| boom of arch | |||
| 拱环: 8 phrases in 4 subjects |
| Architecture | 1 |
| Engineering geology | 1 |
| Technology | 5 |
| Textile industry | 1 |
|
| |||
| arch-ring | |||
| arch element (圈，单元) | |||
| arch ring; horizontal arch element | |||
| boom of arch | |||
| 拱环: 8 phrases in 4 subjects |
| Architecture | 1 |
| Engineering geology | 1 |
| Technology | 5 |
| Textile industry | 1 |