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| world sequence length record (Bethlehem Steel's one-year-old continuous slab/bloom caster at its Sparrows point, plant established a world sequence length record during the month of February 1987.伯利恒钢公司雀点厂的一台仅投产一年的板坯/大方坯兼用型连铸机于1987年2月创造了一项连浇炉数世界纪录。) | |||
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