【单选题】
(32560)( )连接在机械中主要是定位，连接成锁定零件，有时还可做为安全装置的过载剪断零件。(1.0分)___
A. 键
B. 销
C. 滑键
D. 圆柱销
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答案
B
解析
暂无解析
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(32567)轴承的四大件是（ ）。(1.0分)___
A. 内圈、油脂、滚动体、保持架
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D. 内圈、外圈、滚动体、保持架
【单选题】
(32568)下列说法正确的是( )(1.0分)___
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B. 轴承内圈通常与轴间隙配合，并与轴一起旋转。
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D. 轴承内圈通常与轴过盈配合，并与轴保持相对旋转。
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(32571)关于联轴器正确的说法是( )(1.0分)___
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(32574)用划规划圆时，正确的操作方式是( )(1.0分)___
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(32578)锯割时，下列方法不正确的是( )(1.0分)___
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(32579)对于扩孔的加工特点，不正确的是( )(1.0分)___
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(32581)对于铰孔，不正确的说法是( )(1.0分)___
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【单选题】
(32586)装配的顺序原则是( )(1.0分)___
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【单选题】
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【单选题】
(32593)一个完整的微型计算机系统应包括( )(1.0分)___
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【单选题】
(32598)在微软操作系统里，如果安装了Word,应用右边的Shift和( )键切换中文输入方法。(1.0分)___
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【单选题】
(32600)在微软操作系统里，默认状态下，Excel2003会自动选择文字的( )行和列作为打印的区域。(1.0分)___
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