2. These borings consist of rock fragments, ash, coal and other materials. 这些孔屑包括石头碎片、灰尘、煤渣和其他东西。
3. The calcined trona can replace soda ash for use in the flotation operation. 经过煅烧的天然碱可以在浮选作业中代替纯碱使用。
英英解释
n.
1. the residue that remains when something is burned
2. any of various deciduous pinnate-leaved ornamental or timber trees of the genus Fraxinus
3. strong elastic wood of any of various ash trees; used for furniture and tool handles and sporting go v.
1. convert into ashes