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车床主轴轴颈和锥孔的同轴度要求很高,因此常采用( )方法来保证。

单选题
2021-09-01 23:53
A、基准重合
B、基准统一
C、自为基准
D、互为基准
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正确答案
B

试题解析

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车床主轴轴颈和锥孔的同轴度要求很高,因此常采用( )方法来保证。
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