精度较高的零件,粗磨后安排低温时效以消除应力。()
参考答案:错
虽然组装电脑价格便宜,但品牌电脑有较好的售后服务及技术体系,用起来让人放心,
A.价格决定消费方式
B.当前收入决定消费方式
C.产品质量及售后服务决定消费水平
D.消费受产品质量、购买方式、服务等因素影响
After so many years, we were all _____ each other. [ ]
A. pleasing to see
B. pleased to see
C. pleasing with seeing
D. pleased with seeing