题目内容

在外圆磨削时,()最大。

A. 切向力
B. 径向力
C. 轴向力
D. 摩擦力

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民族同化与民族融合的区别是什么?

在E-UTRAN系统中,MAC使用的重传方式是:()

A. HAR,
B. FEC,
C. ARQ,
D. CR

最易发生氧腐蚀的部位为给水管道和省煤器。()

A. 正确
B. 错误

You need to ensure that when you insert a blank DVD into the DVD drive, Windows Explorer opensautomatically and enables you to select files to burn to DVD. What should you do?()

A. From Default Programs, modify the AutoPlay settings.
B. From Default Programs, modify the default program settings.
C. From Device Manager, modify the properties of the DVD drive.
D. From System Configuration Utility, modify the Startup settings.

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