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随着含碳量的增加，钢材的强度提高，塑性降低，可焊性变差。
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随着含碳量的增加，钢材的强度提高，塑性降低，可焊性变差。
A.正确
B.错误
正确答案：正确
Tag：
水工混凝土结构
塑性
钢材
时间：2022-01-17 21:02:40
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