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【单选题】
轴承的“外径”特征与轴承座的“孔径”特征相关,当改变轴承“外径”的量值,轴承座“孔径”的量值也会随之改变,这属于那种相关规则?( )
A.
同对象异特征相关
B.
异对象同特征相关
C.
异对象异特征相关
D.
同对象同特征相关
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【多选题】车床主轴产生轴向窜动,其原因可能是()
A.
主轴承端面跳动量大
B.
主轴轴肩端面跳动量大
C.
两者都有较大的端面跳动量
D.
主轴后端紧固螺母松动
【判断题】针对多属性产品刊登,每次刊登均需要单独支付刊登费。
A.
正确
B.
错误
【单选题】Interruption, more surely than anything else, kills conversation. The best of talkers interrupt 【C1】______ in conversation. However, the 【C2】______ interruption of the habitual interrupter and the uni...
A.
occasionally
B.
frequently
C.
regularly
D.
repeatedly
【多选题】车床主轴产生轴向窜动,其原因可能是
A.
主轴承端面跳动量大
B.
主轴轴肩端面跳动量大
C.
主轴后端紧固螺母松动
D.
主轴承内环滚道有形状误差
【单选题】Those who are ______ their present situations will surely make no more advances in life.
A.
content to
B.
satisfied of
C.
pleased to
D.
content with
【多选题】车床的主轴产生了轴向窜动,其原因可能是:( )
A.
主轴承端面跳动量大
B.
主轴轴肩端面跳动量大
C.
主轴后端紧固螺母松动
【单选题】Looking back,we have reasons to believe that ___more prosperous and stronger China will surely make new contributions to _____civilization of mankind.
A.
a;a
B.
a;the
C.
the;the
D.
the;a
【判断题】flush()方法是刷新该输出流的缓冲区内容
A.
正确
B.
错误
【单选题】Those who are ______ their present situation will surely make no more advance in life.
A.
content to
B.
satisfied of
C.
pleased to
D.
content with
【单选题】Surely I will inspect the incinerator burner more carefully and make sure it is not blocked. 02010489
A.
I will check the incinerator burner more carefully.
B.
I will check the incinerator burner surely.
C.
I will check he boiler burner more carefully.
D.
I will check the boiler burner surely.
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