coal mining dust

 
  • 煤塵

coal mining dust的用法和樣例:

例句

  1. Miners are finished extracting coal here, and the sides of the tunnel have been sprayed with quicklime to suppress explosive coal dust.
    礦工們已經完成了這裡的煤炭開採,坑道兩壁都噴上了生石灰以防止煤塵爆炸。

coal mining dust的相關資料:

臨近單詞

今日熱詞
目錄 附錄 查詞歷史