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sep 30, 1978 - 1978年9月30日上海第三钢铁厂铸钢车间运用全水冷挂渣炉壁新工艺，创电炉炉龄 369炉的全国最高纪录。

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1978年9月30日上海第三钢铁厂铸钢车间运用全水冷挂渣炉壁新工艺，创电炉炉龄 369炉的全国最高纪录。

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工业大事年表

2 Sep 2023

1

0

731

Date:

sep 30, 1978

Now

~ 47 years ago

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