Above the tank bottom the coal grain which will mineralize through will not have been followed the annular ring and the previous suction port mixes again, the mineralization and the separation.是什么意思_Above the tank bottom the coal grain which will mineralize through will not have been followed the annular ring and the previous suction port mixes again, the mineralization and the separation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句