preparation of raw coal 中文意思是什麼

preparation of raw coal 解釋
原煤制備
  • preparation : n 1 準備,預備;〈常 pl 〉準備工作[措施];預修,預習 (for) 預習時間;(對…的)準備。2 (藥、菜...
  • of : OF =Old French 古法語。
  • raw : adj 1 (肉等)生的;未煮過的;未加工的,粗的;不攙水的,(酒精等)純凈的。2 未開化的;未熟的,生...
  • 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. Investigations of raw material in hard - coal - mining - microscopical examination of hard coal, coke and briquettes - part 2 : preparation of polished surface from lump material and particulate blocks

    無煙煤礦原材料的考察研究.煤焦碳和煤塊顯微試驗
  2. Preparation of hard coal ; description and estimation of raw coal properties in view of preparation

    選煤.待選原煤特性描述和評估
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