Besides C,H and O, the elements of the scale formed during evaporating wheat straw black liquor are Si, Ca, K, Na, Mg and Al.是什么意思_Besides C,H and O, the elements of the scale formed during evaporating wheat straw black liquor are Si, Ca, K, Na, Mg and Al.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句