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磨削时，砂轮的速度越高，工件的表面粗糙度值（ ）。
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磨削时，砂轮的速度越高，工件的表面粗糙度值（ ）。
A、越大
B、越小
C、先小后大
D、不影响
时间：2021-09-03 16:08
关键词：
联大
河南理工大学
机械设计制造及其自动化
机械制造技术基础
答案解析
B@#@B
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