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an investigative report on carbide pvc production currently being prepared by the ministry of environmental protection of china will be made available for the workshop.
中国环境保护部正在编制一份关于碳化聚氯乙烯生产的调查报告,将在研讨会举行前提供。
for example, zhuzhou cemented carbide works import and export company is recorded as having imported 40 tons of untagged coltan from the democratic republic of the congo in december 2010.
例如,有记录表明,株洲硬质合金(zhuzhou cement carbides)2010年12月从刚果民主共和国进口了40吨没有标示的钶钽铁矿石。
the acetylene-based vcm production process typically uses coal and limestone as raw materials to produce calcium carbide, which is then mixed with water to make acetylene.
乙炔法生产氯乙烯单体通常先用煤和石灰石作为原料生产碳化钙,碳化钙再与水混合制造乙炔。