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读图,回答下列问题 手轮的公差等级是()级,丝杠轴的公差等级是()级。的公差等级比轴的公差等级()一级。的精度比轴的精度()。因为根据加工工艺等价原则,轴的公差等级以()为界,低于此公差等级的和轴采用()配合,高于此公差等级的轴必须与()的配合。 手轮的上极限偏差是(),下极限偏差是(),手轮的最大极限尺寸是(),手轮的最小极限尺寸是()。丝杠轴的上偏差是(),下偏差是(),丝杠轴的最大极限尺寸是(),最小极限尺寸是()。手轮和丝杠轴形成()配合,形成此配合后,其最大(最小)间隙或(过盈)值是()和()。
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【简答题】请大家根据给定的效果图,完成网页制作。 点击下载素材: 网页布局.zip 要求:网页的总宽为1200px; 新闻与新闻块之间的间隔为30px
【简答题】经纬仪操作中,十字丝不清晰应将目镜转向光亮的背景,调节 ; 发现目标的像有相对晃动的现象调节 ; 而读数显微镜中刻划不清晰应调节 。
【单选题】Questions 1 and 2 are based on the news report you have just heard.
A.
Many countries have not taken measures to create enough jobs.
B.
Few countries know how to address the current economic crisis.
C.
Few countries have realized the seriousness of the current crisis.
D.
Many countries need support to improve their people’s livelihood.
【简答题】饲料的概念、营养物质的概念。 动植物体的组成不同之处有哪些?
【单选题】S: And , consider changing disciplines. Yeah, to the humanities--perhaps history. One of the advantages of teaching history is that you don't have to create things. You know, you just have to remember...
A.
if I might make a suggestion
B.
if I may suggest
【简答题】谈谈你是如何读新闻的,存在什么问题或缺点。
【单选题】Passage 3 How to Create the Job of Your Dreams Questions 22 to 25 are based on the passage you have just heard.
A.
You won’t be able to support yourself.
B.
You’ll run out of money.
C.
You won’t be interested in doing the work for very long.
D.
You won’t feel like you’re working.
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