coal coke

 
       
  • 煤焦,煤焦炭

coal coke的用法和樣例:

例句

  1. The effect of microstructure characteristics of coal and coal char on gasification reactivity was investigated.
    研究了不同煤化度煤及煤焦的微觀結構及其對氣化反應性的影響。
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