【单选题】【消耗次数:1】
( )是在一个基准件上,装上若干个零件和套件构成的。
部件
机器
组件
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相关题目
【单选题】 一个完整的零件加工程序由程序号和若干个程序段组成,每个程序段由若干个指令字组成,每个指令字又由字母、数字、符号组成。该说法( )
①  正确
②  错误
【多选题】 零件的尺寸基准通常选择在()
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②  最前或者最后
③  最上或者最下
④  装配接合面
⑤  零件的对称面
⑥  零件上的主要回转面的轴线
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【判断题】 零部件图是由零件图、部件图、设计要求组成的图样
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【单选题】 一个PowerPoint演示文稿是由若干个( )组成。
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①  正确
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【单选题】 轴类零件加工中,为了实现基准统一原则,常采用()作为定位基准。
①  选精度高的外圆
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①  when
②  which
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【单选题】 Thejacketwasso______ thathedecidedtobuyit.
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①  where
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