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【单选题】
采用放大或缩小比例绘制图样,其尺寸应注 ( )
A.
图形的尺寸
B.
实物的尺寸
C.
两者都可
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【单选题】Passage One Kodak’s decision to file for bankruptcy (破产) protection is a sad, though not unexpected, turning point for a leading American corporation that pioneered consumer photography and dominated ...
A.
To show its early attempt to reinvent itself.
B.
To show its effort to overcome complacency.
C.
To show its quick adaptation to the digital revolution.
D.
To show its will to compete with Japan’s Fuji photo.
【判断题】三种常见的制动控制策略中,前,后轴制动力比例分配时的控制策略是目前技术条件下是一种比较好的选择
A.
正确
B.
错误
【单选题】以下哪一类零件的视图表达外形,局部孔、槽可采用局部视图;键槽、花键结构需移除断面图,较长时采用断开画法,细小结构采用局部放大图。
A.
箱体
B.
C.
支架
D.
法兰盘
【简答题】Kodak's decision to file for bankruptcy ( 破产 ) protection is a sad, though not unexpected, turning point for a leading American corporation that pioneered consumer photography and dominated the film m...
【简答题】Kodak’s decision to file for bankruptcy ( 破产 ) protection is a sad, though not unexpected, turning point for a leading American corporation that pioneered consumer photography and dominated the film m...
【单选题】自强不息的具体体现,不正确的是
A.
坚贞刚毅的品质
B.
实事求是的品质
C.
不屈不饶的精神
D.
与时俱进的精神
【单选题】自强不息的具体体现,不正确的是
A.
坚贞刚毅的品质
B.
实事求是的品质
C.
不屈不挠的精神
D.
与时俱进的精神
【简答题】Kodak's decision to file for bankruptcy protection is a sad, though not unexpected, turning point for a leading American corporation that pioneered consumer photography and dominated the film market f...
【判断题】箱壳类零件一般采用通过主要孔轴线的剖视图表达其内部结构形状,局部结构常用局部剖视图、局部视图、断面图表达
A.
正确
B.
错误
【单选题】读轴零件图,回答问题。 因为轴类零件一般是实心的,所以主视图多采用不剖或( )剖视图。
A.
B.
C.
局部
D.
断面图
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