coal culm

 
  • 煤粉

coal culm的用法和樣例:

例句

  1. He carried out trial runs using rockets stuffed with coal dust.
    他用填滿煤粉的火箭式煙火裝置來進行試驗。
  2. Experiments on coal reburning were carried out on an entrained flow reactor.
    在煤粉攜帶爐上進行再燃實驗。
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