charcoal grade 中文意思是什麼

charcoal grade 解釋
優質木炭生鐵
  • charcoal : n. 1. (木)炭;【醫學】生物炭。2. (畫用)炭筆。3. 木炭畫。
  • grade : n 1 等級,級別;階段;程度,標準,水平。2 〈美國〉(中小學的)年級;某一年級的學生。3 〈pl 〉 〈...
  1. Abstract : the production, consumption and trade of industrial grade silicon at home and abroad are introduced, and the measures of expanding production of chemical silicon, popularizing and doing well in refining with oxygen blowing, utilizing coal instead of charcoal and utilizing carbon electrode etc. are proposed to raise industrial grade silicon enterprises benefits at the present situation

    文摘:介紹了國內外工業硅生產、消費和貿易狀況,並就目前形勢下如何提高工業硅企業的效益,提出了擴大化學用硅生產、普及和搞好氧化法精煉,以煤代替木炭和應用炭素電極等建議。
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