 |
| |||
| wedge piece | |||
| bridge segment; spine-beam segment; gauged stone brick; wedge-shaped stone; key brick | |||
| circle brick | |||
| segment | |||
| arch stone; voussoir | |||
|
voussoir : 7 短语, 1 学科 |
| 建造 | 7 |
|
| |||
| wedge piece | |||
| bridge segment; spine-beam segment; gauged stone brick; wedge-shaped stone; key brick | |||
| circle brick | |||
| segment | |||
| arch stone; voussoir | |||
|
voussoir : 7 短语, 1 学科 |
| 建造 | 7 |