关于电泳涂装,下列说法正确的是()。
A、电泳涂装技术性强,涂膜出现缺陷少
B、电泳涂装同样会产生针孔、缩孔等类缺陷
C、电泳涂膜越厚越好
D、电泳涂装pH值控制要求严格
参考答案:B
顾客拥有和使用某种产品所获得的利益与获得该产品所需成本之间的差别或产品性价比,被称为()。
A.满意
B.欲望
C.效用
D.顾客价值
As technological advances put more and more time between early school life and the young person's final access to specialized work, the stage of ________becomes an even more marked and conscious period.
A.adolescence
B.adjacency
C.advantage
D.adventure