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对于一个齿轮来说,( )不存在
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对于一个齿轮来说,( )不存在
A、基圆
B、分度圆
C、齿根圆
D、节圆
时间:2021-09-01 20:48
关键词:
联大
河南理工大学
机械设计制造及其自动化
机械设计基础
答案解析
D
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