coal culm

 
  • 煤粉

coal culm的用法和样例:

例句

  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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