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| 废品钢; 熔炼废品; 熔炼不合格 | |||
| 不合格熔炼; 炼废炉次 | |||
| 废品; 熔炼成分不合格 | |||
| off -melt: 10 phrases in 3 subjects |
| General | 4 |
| Metallurgy | 4 |
| Technology | 2 |
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