coal shale

 
  • 煤矸石

coal shale的用法和樣例:

例句

  1. Supply wide range of high quality anthracite, the quality anthracite, coal gangue.
    供應各種優質無煙煤,次質無煙煤,煤矸石。
  2. Using coal gangue as raw material, we made a kind of new type polymer reinforcing filler for rubber by ultr.
    本論文用煤矸石作原料,通過超細粉碎,表面改性製成了一種高分子聚合物的補強填充劑。
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