焦煤的用法和樣例：
例句
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碳化作用煙煤的分解蒸餾，在沒有空氣的條件下進行，為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餾分
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. -
氨氣、煤焦油、焦煤都是煤氣生產過程中的副產品。
Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas.
