Coal tar pitch is a necessary raw material for smelting Aluminium and carbonizing process, its qualities direct affect technical and economical indexes of products.
煤焦油沥青是炼铝及碳素工业的重要原料之一,它的质量如何直接影响到制品的技术经济指标。
Coal tar pitch is a necessary raw material for smelting Aluminium and carbonizing process, its qualities direct affect technical and economical indexes of products.
煤焦油沥青是炼铝及碳素工业的重要原料之一,它的质量如何直接影响到制品的技术经济指标。
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