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| 矶土耐火制品 (product) | |||
| 氧化铝质耐火材料 | |||
| 矶土耐火材料 | |||
| 氧化铝耐火材料; 高铝砖 | |||
| alumina refractory: 28 phrases in 5 subjects |
| Architecture | 1 |
| Chemistry | 1 |
| Metallurgy | 10 |
| Steel production | 1 |
| Technology | 15 |
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