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| 耐火材料 | |||
| 熟料耐火材料 | |||
| 熟料耐火材料 | |||
| 耐火砖; 耐火熟料; 熟料 (耐火材料) | |||
| grog refractory: 3 phrases in 2 subjects |
| Metallurgy | 2 |
| Technology | 1 |
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