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| 科尔哈特高级耐火材料商品名 | |||
| 科尔哈特高级耐火材料; 耐火材料 | |||
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| 天然铁矶土和水铝石熔铸而成的科尔哈特高级耐火材料商名 | |||
| Corhart: 6 phrases in 3 subjects |
| Construction | 1 |
| General | 2 |
| Technology | 3 |
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