在材料手册中常常看到 <img src="data:image/png;base64,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" alt="">两种符号,它们分别表示L=5d和L=10d(d 为试件直径)两种不同长度试件测定的( )
A、弹性率
B、断面收缩率
C、伸长率
D、密度
发布时间:2024-09-26 01:12:53