There are several methods to predict the iron and steel gross demand in China. Each of these methods has advantages or disadvantages.
对中国钢铁总量需求的预测目前有各种方法，这些方法都各有利弊。
There are several methods to predict the iron and steel gross demand in China. Each of these methods has advantages or disadvantages.
对中国钢铁总量需求的预测目前有各种方法，这些方法都各有利弊。
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