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| 炉喉保护板 (【技】高炉炉喉是炉料加人和高温煤气导出的必经之处，工作条件十分恶劣。为保持炉喉的圆筒形状和高炉冶炼的正常进行，在炉喉处设置的保护装置，即炉喉护板，亦称为炉喉钢砖。); 护喉板; 护喉钢砖; 【铁】 护喉钢砖; 炉喉钢砖 | |||
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throat armor : 9 phrases in 1 subject |
| Metallurgy | 9 |
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