当温度约在 250 ℃时钢材将产生（） -题库考试答案搜索网

当温度约在 250 ℃时钢材将产生（）

单选题

2021-07-17 23:39

A、<span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: " times="" new="" roman";="" mso-bidi-font-size:="" 10.5pt;="" mso-hansi-font-family:="" "times="" roman""="">蓝脆现象</span>
B、<span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: 'Times New Roman'">徐变现象</span>
C、<span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: 'Times New Roman'">弹性模量急剧下降</span>
D、<span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: 'Times New Roman'">强度接近于零</span>
B、<span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: \'Times New Roman\'">徐变现象</span>
C、<span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: \'Times New Roman\'">弹性模量急剧下降</span>
D、<span style="LINE-HEIGHT: 125%; FONT-FAMILY: 宋体; mso-ascii-font-family: \'Times New Roman\'; mso-bidi-font-size: 10.5pt; mso-hansi-font-family: \'Times New Roman\'">强度接近于零</span>

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正确答案

A

试题解析

标签：道路桥梁与渡河工程专升本结构设计原理 2020年第二学期补考道路桥梁工程技术高起专

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