在日照市昱岚新材料有限公司智能车间，一卷3毫米厚的钢卷从生产线一端“吞”入，5分钟后便从另一端“吐”出，化作厚度不足0.1毫米的薄钢板。“钢比纸薄”的行业奇迹，在此生动上演。
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There were 3 core challenges I ran into building snakes.run.