etching brass造句

例句与造句

1. It might be that it would attack oxide of both copper and brass that is part of what is making the screw get stuck, and help you get it loose while also not etching brass much . talk ) 15 : 00, 14 March 2009 ( UTC)
2. It's difficult to find etching brass in a sentence. 用etching brass造句挺难的