middle distillate from coal liquefaction的意思|示意
美 / /
英 / /
煤液化的中间馏分物
middle distillate from coal liquefaction的网络常见释义
精制煤液化中油 ... 煤液化油馏分 coal liquid fraction 精制煤液化中油 middle distillate from coal liquefaction 煤液化产物 coal liquefaction products ...