例句與造句

1. It is used as such in some industrial dyeing processes to eliminate excess dye, residual oxide, and unintended pigments and for bleaching wood pulp.
2. Copper alloys which contain oxygen as an impurity ( in the form of residual oxides present in the metal matrix ) can be embrittled if exposed to hot hydrogen.
3. It's difficult to find residual oxide in a sentence. 用residual oxide造句挺難的