coal dust

英 美
  • n. 煤粉
    用作名词 (n.)
    1. He carried out trial runs using rockets stuffed with coal dust.
      他用填满煤粉的火箭式烟火装置来进行试验。
    2. Experiments on coal reburning were carried out on an entrained flow reactor.
      在煤粉携带炉上进行再燃实验。

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