Should when built smeltery go into operation 1999, ability of supply demand relations returns a balance.
要等到1999年新建冶炼厂投产, 锌的供求关系才能回到平衡.
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Rebuilding and operation status of flue dust baghouse collecting system in Guixi smeltery is introduced.
介绍了贵溪冶炼厂烟尘布袋收集系统改造及运行状况.
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The Shijingshan Iron Smeltery, founded in 1919 , predecessor of the Shoudu and Steel Co.
首钢的前身是石景山炼钢厂, 创立于1919年.
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