随含碳量提高，建筑钢材的强度、硬度均提高,塑性和韧性降低。-查字典考试网

随含碳量提高，建筑钢材的强度、硬度均提高,塑性和韧性降低。

1、正确
2、错误

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正确答案：

正确

答案解析：

暂无解析

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