按照产品特性和用途，钢铁可以分为普钢和特种钢两大类。普钢产量占全行业八成以上，广泛应用于地产、基建、普通机械等领域。特种钢则更注重材料性能，用于汽车、能源电力、高端装备等对品质要求更高的行业。
Фото: KamranAydinov / Freepik
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The BBC has been able to analyse six shootings after the curfew order. In the footage we examined, we have not seen any of the victims engaging in violence.，更多细节参见safew官方版本下载
2027 Audi RS5Tim Stevens for Engadget