单词乎

original material

original material是什么意思、original material怎么读

original material汉语翻译

【化】 原始材料

original material例句

  1. The destructive distillation of bituminous coal, done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material.
    碳化作用烟煤的分解蒸馏,在没有空气的条件下进行,为得到比最初的原料所含碳的百分比大得多的焦煤以及其它馏分
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