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到了2025年，传统两大主力的用钢合计占比已降至50%以下，而制造业用钢占比则从2020年的42%提升至50%以上，首次超越建筑用钢，成为钢铁需求的新引擎。
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Can't use an array as a slice, it causes this error:
Multiple developers independently describe different parts as “nobody touches that”