... ingot pit crane 均热炉钳式吊车 ingot saw 切锭锯 ingot steel model 钢锭模 ...
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I had saw one of the conventional steelworks: huge blast furnace, converter, steel ingot, mile of railway track.
我参观过传统的炼钢厂：巨大的高炉、转炉、钢锭，长达几英里的铁轨。
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