问题
单项选择题
淬火可以提高钢的（）。
A、强度
B、刚度
C、耐磨性
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
淬火可以提高钢的（）。
A、强度
B、刚度
C、耐磨性
参考答案：B
| 选出划线部分读音与其余三个不同的选项 | |||
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