主轴部件应满足哪些基本要求?

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问题:

主轴部件应满足哪些基本要求?

考点:机械制造机械制造装备设计机械制造装备设计题库
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男性,58岁。尿频,排尿困难3年,尿流中断半年,下腹平片及B超可见膀胱区2枚 3.0cm×2.5cm×2.5cm和2.5cm×2.0cm×2.0cm结石,上尿路未见异常改变

治疗后为预防结石,下列措施中哪项不对

A.定期X线或B超检查

B.大量饮水

C.膀胱镜检查

D.依结石成分调节饮食

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—Excuse me, can you tell me where the Sleeping Beauty Castle is?

—______.

A.It’s located on that small island

B.It’s one of the best ancient buildings

C.It’s probably one of the most fantastic buildings in the world

D.It’s famous for its beautiful roof

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若点P(1-m,m)在第二象限,则(m-1)x>1-m的解集为(    )。

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In the near future, more advances in the robot technology _____ by science.

A. are making
B. are made
C. will make
D. will be made
题型:问答题 简答题

口头挂失()日后自动解除。

A.7

B.5

C.10

D.15

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