The results of the flotation experiments shows that the ash content of the washed coal is only half of the coal slurry flotation without comminution by high pressure water jet,and the total sulfur ...是什么意思_The results of the flotation experiments shows that the ash content of the washed coal is only half of the coal slurry flotation without comminution by high pressure water jet,and the total sulfur ...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句