coal dust
英
美
- n. 煤粉
双语例句
- 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。 - 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。
用作名词 (n.)
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