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| 粘结砌合层 (layer); 丁砖层 (layer) | |||
| 拉结层; 黏结层; 砌砖层; 砖或石的砌合层 | |||
| bond course: 9 phrases in 3 subjects |
| Architecture | 5 |
| Metallurgy | 1 |
| Technology | 3 |
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