6σ管理不仅是一种(),而且已成为一种理念、文化和方法体系的集成,其含义就是客户驱动下的持续改进。
A.质量目标
B.质量方针
C.质量规划
D.质量保证
参考答案:A
. --- Did you often e-mail your family during the first year at university?
--- No. I was so busy meeting new people that I didn’t write to my family as I _____.
A.ought to
B.should do
C.should have written
D.should have
提速铁路货车“轮对轴承”部分的全面检全面修检查范围和质量标准是如何规定的?