多选题
公差与配合的选择主要考虑以下（）的问题。
发布日期：2021-03-12
表面粗糙度的选择
基准制的选择
公差等级的选择
配合种类的选择
配合质量的选择
试题解析
公差与配合
公差与配合是机械类专业技术基础课，它是将公差配合和计量学有机地结合在一起,从互换性角度出发，围绕误差与公差这两个概念来研究如何解决使用要求与制造要求的矛盾，而这一矛盾的解决是合理确定公差配合和采用适当的技术测量手段。
- 中文名
- 公差与配合
- 定义
- 一个实体，不用改变即可
- 尺寸术语
- 由设计者给定由数字和长度单位(一般为mm)组成
- 性质
- 机械专业术语
- 分类
- 可分为完全互换（绝对互换）不完全互换（有限互换）
- 偏差
- 偏差是某一尺寸减其基本尺寸所得的代数差
选择
歌曲《选择》由谢帝作词作曲并演唱，所属专辑《Couple Hunnid Mixtape Vol.2》。
- 中文名
- 选择
- 填词
- 谢帝
- 歌曲原唱
- 谢帝
- 谱曲
- 谢帝
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Cloze 6 A first-grade student whose best friend is fighting against cancer thought that hours of playing and telling jokes was not enough—he wanted to show how he understood the 1 time his buddy was going through. Seven-year-old Vincent Butterfield 2 to cut off his hair in support of his best friend Zac Gossage who lost his hair through chemotherapy (化疗) . Zac is receiving treatment but 3 goes to Union Central Elementary School in Missouri every day, 4 that’s where he gets to play on the swings with Vincent. Vincent found out that Zac might 5 his hair because of the chemotherapy treatment. So one day, he showed up in the first-grade class wearing a 6 . He said to his teacher Mrs. Koester, “I have a surprise for Zac.” And he pulled off his cap and other 7 saw that he already had all his hair 8 off. “I did it just to make Zac feel he’s not the only one without any 9 ,” said Vincent. Vincent has also been raising money for his best friend after learning how 10 the chemotherapy treatments are. He asked his mother to make 11 than 20 scarves and gloves. He and his mother 12 them at the price of 10 dollars each, raising over 200 dollars for Zac. The encouragement from Vincent seems to be working. Though Zac is receiving treatments, he has 13 missed any days of school. He knows that Vincent is out on the playground, waiting for him at break. When asked 14 friendship was, Vincent looked at his friend Zac, thought for a (an) 15 and replied, “It’s a beautiful thing.” Clearly, wisdom doesn’t always come with age.
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边沁学说的核心是（）。
纳税人购置使用的下列车辆中，需要计算缴纳车辆购置税的有（）。
类质同象
施工单位负责工程项目全部文件材料的收集、整理立卷和归档工作。
储油罐避雷针高度要比机械呼吸阀顶高（）米。
导致货物自然损耗的原因是（）。 ①货物干耗；②货物保管照料不良③货物挥发和渗漏④货物散失。
提交勘察成果资料后（）内，发包人应向勘察人一次付清全部工程费用。