主页
学科
搜索
账户
常见问题
当前学科:起重机金属结构
题目:
未知类型
当用两顶尖支承工件车削外圆时,车床前后顶尖的等高度误差影响工件( )。
A.素线的直线度 B.圆度
C.锥度 D.同轴度
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
Dream for Better We all have plans and dreams for a better, more ___1___ life. Yet only a small percentage of people actually achieve their ___2___ .A good question is: why? Recently, I was working with a young man who was ___3___ get on his feet. He had written out his goals, and he had powerful reasons why he wanted to achieve these goals. But after weeks of trying, he was still not much further along. So we took some time to try to understand what was holding him ___4___ .As we examined his average day, it became apparent to me that he was much too ___5__ .He was spending lots of time doing lots of different things. I ___6___ that most of what he was doing was not very important in the greater scheme of things. We did some exercises to ___7___ which activities were important, which ones were urgent and which ones was filling (or killing) time. As it turned out, most of the things he was doing throughout the day were filling time. He wasn't comfortable ___8___ he was very busy, so he created things that needed to be done. He was always working on something—yet at the end of the day, he had rarely accomplished any tasks to move him closer to the life he wanted. This behavior is fairly easy for an outside observer to spot but extremely difficult to self-diagnose. The ___9___ is to slow down and get comfortable with being still, with contemplating what we really want and whether our actions are suitable for our goals. Many of our activities are avoidance activities: we do things to fill up the time and thus avoid having to do more difficult tasks. It wasn't easy, but once the young man finally accepted that he needed to do less overall but more of the important things, his life took a dramatic ___10___ for the better. ___10___内的正确选项为()
简述路基的主要工程地质问题。
下列哪种提示符是copy running-config startup-config命令使用的模式()。
在子宫复旧护理中,应该注意观察()
国际借贷是产生国际收支的原因,国际借贷的发生必然会形成国际收支。()
在568B双绞线标准中,线序从左到右是_________。
某产妇,G2P1,孕37周,前次分娩因急产胎儿坠地后死亡。此次妊娠在产程护理中不易发生的是()。
双因素理论所指的两类因素是()因素与()因素。
进行性血胸特点不包括()
现场管理方法不包括()。