<□>钢铁的出□彻底改变了人类社会的生产□式和生活□式。传统的手□业□□械化□产所取代,大规模的钢铁生产使得产品价□大幅下降,普□人也□□享受□更多的物质生□。同时,钢铁的广泛应用也加快了工业化的□程,推动了科技和经□的快速发展。<□p>
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