【判断题】【消耗次数：1】
一般来说，钢材的含碳量增加，其塑性也增加（ ）。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
下列关于钢材中含碳量说法有错误的一项是（ ）。
①
含碳量过高还会增加钢的冷脆性和时效敏感性，降低抗腐蚀性和可焊性
②
钢材随含碳量的越高，强度和硬度越高
③
一定范围内，钢材随含碳量的增加，塑性和韧性相应降低
④
当含量超过1%时，钢材的极限强度开始下降
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realize ?
②
mean ?
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think ?
④
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【单选题】
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【单选题】
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①
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【单选题】
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keep up with
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