Small-scale profile steel is one of the main varieties of steel products, applied to the industry, agriculture, communication and transportation business and construction extensively.
小型型材是钢铁产品的主要品种之一，广泛应用于工业、农业、交通运输业和建筑业。
Small-scale profile steel is one of the main varieties of steel products, applied to the industry, agriculture, communication and transportation business and construction extensively.
小型型材是钢铁产品的主要品种之一，广泛应用于工业、农业、交通运输业和建筑业。
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