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滚珠丝杠副消除轴向间隙的目的主要是( )。
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滚珠丝杠副消除轴向间隙的目的主要是( )。
A、减小摩擦力矩阵
B、提高使用寿命
C、提高反向传动精度
D、增大驱动力矩
时间:2021-07-19 05:50
关键词:
电力系统自动化技术
高起专
自控原理
2020年第二学期补考
答案解析
C
C
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滚珠丝杠副消除轴向间隙的目的主要是( )。
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