small pieces of coal 中文意思是什麼

small pieces of coal 解釋
煤砟子
  • small : adj 1 小 （opp large） 少 （opp large numerous） 細小的；窄小的；瑣細的；些微的；少額的（收入等）...
  • pieces : 粉碎
  • of : OF ＝Old French 古法語。
  • coal : n 1 煤，煤塊，煤堆。2 〈pl 〉〈美國〉（一堆）燒紅的煤。3 〈常 pl 〉〈英國〉（幾塊）供燃燒的煤。4 ...
  1. Large pieces of rock are only suitable for use as road surfaces in the form of fine gravel, run - of - mine coal needs to undergo a size reduction prior to further treatment, and lumps of ore need to be crushed to small pieces because sintering plants require feed material with a high degree of fineness

    公司的目標是生產破碎機和洗礦機。只有砂礫狀的巖塊才適合於路面，原煤必須首先要被擊碎才能被加以利用，礦石必須被搗碎，這是因為燒結設備只能處理細微物料。
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