The metallic impurity contents required by some foreign carbon plants were introduced, which were compared with the carbon companies in China.

介绍了国外某些工厂对金属杂质含量的要求，对比了我国目前延迟焦金属杂质的状况。

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The metallic impurity contents required by some foreign carbon plants were introduced, which were compared with the carbon companies in China.

介绍了国外某些工厂对金属杂质含量的要求，对比了我国目前延迟焦金属杂质的状况。

youdao