试题与答案

全面的质量管理是把()和效益统一起来的质量管理。A.产品质量 B.工作质量 C.质量

题型:单项选择题

题目:

全面的质量管理是把()和效益统一起来的质量管理。

A.产品质量

B.工作质量

C.质量成本

D.使用成本

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D解析:f=1.50N/mm2,A=490mm×620mm=0.303 m2>0.3m2采用水泥砂浆,γa=0.9调整后,f=0.9×1.50=1.35 N/mm2

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