Should when built smeltery go into operation 1999, ability of supply demand relations returns a balance.
要等到1999年新建冶煉廠投產(chǎn), 鋅的供求關(guān)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.
介紹了貴溪冶煉廠煙塵布袋收集系統(tǒng)改造及運(yùn)行狀況.
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The Shijingshan Iron Smeltery, founded in 1919 , predecessor of the Shoudu and Steel Co.
首鋼的前身是石景山煉鋼廠, 創(chuàng)立于1919年.
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