用纱布打磨粗糙的区域( )
A.If you find rough areas, remove them with emery cloth. B.If you find rough areas, remove them with cotton cloth. C.Use the cotton cloth to smooth the rough areas.正确答案A
用纱布打磨粗糙的区域( )
A.If you find rough areas, remove them with emery cloth. B.If you find rough areas, remove them with cotton cloth. C.Use the cotton cloth to smooth the rough areas.正确答案A