试题与答案

铸造网状支架包埋在基托中的最佳位置是A.基托最薄处 B.基托最厚处 C.基托中部 D

题型:单项选择题

题目:

铸造网状支架包埋在基托中的最佳位置是

A.基托最薄处

B.基托最厚处

C.基托中部

D.基托最窄处

E.基托应力集中处

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:甲方案的成本系数=1437.58/(1437.58+1108+1081.8)=0.3963。价值系数=0.360/0.3963=0.908。

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