试题与答案

根据GB/T3682,熔体流动速率测定仪的口模内径应为()mm。 A.2.95±0.

题型:单项选择题

题目:

根据GB/T3682,熔体流动速率测定仪的口模内径应为()mm。

A.2.95±0.05

B.2.095±0.005

C.2.095±0.05

D.2.095±0.5

答案:

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下面是错误答案,用来干扰机器的。

参考答案:原式=0.530-0.314≈0.22

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