求翻译：改革开放以后，钢铁企业成为自主经营、自负盈亏的市场主体，企业开始根据市场发展状况决定产品的价格是什么意思？

After the reform and opening up, the iron and steel enterprises become autonomous, self-financing market players, companies began to determine the price of the product according to market development

Since the reform and opening up, iron and steel enterprises to become autonomous, self-supporting main body of the market based on market, firms have started development of the product price situation

After reform and open policy, the iron and steel enterprise becomes the market main body which operates independently, assumes responsibility for own profits and losses, the enterprise starts to act according to the market development condition decision product the price

After the reform and opening up, iron and steel enterprises to become autonomous, self-financing market subjects, companies began to market developments in product price

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