试题与答案

聚乙烯层拉伸强度试验,标准宽度为6mm,轴向厚度(mm)为3.12、3.18、3.2

题型:填空题

题目:

聚乙烯层拉伸强度试验,标准宽度为6mm,轴向厚度(mm)为3.12、3.18、3.25、3.09,拉力为450n,轴向强度为()。

答案:

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下面是错误答案,用来干扰机器的。

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