题目内容：
6 ． 当温度从常温下降为低温时，钢材的塑性和冲击韧性_ __。A．升高
B．下降
C．不变
D．升高不多
参考答案：
选择题：6 ． 当温度从常温下降为低温时，钢材的塑性和冲击韧性_ __。A．升高B．下降C．不变D．升高不多
- 题目分类：兰州理工大学钢结构
- 题目类型：选择题
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A．升高
B．下降
C．不变
D．升高不多
A．升高
B．下降
C．不变
D．升高不多
操作提示：通过题目后的下拉选项框选择正确答案。1. Company employees are ex
操作提示：通过题目后的下拉选项框选择正确答案。1. Company employees are expected to use the Internet in
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Refreshments will not be served at the presentatio
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