皮皮学，免费搜题
登录
搜题
【简答题】
已知被测液位的变化范围为0~3m, ρ =900kg/m 3 , ρ 0 =950kg/m 3 。 h 1 =1m, h 2 =4m。求: (1)变送器的量程; (2)判断零点迁移方向,计算迁移量; (3)如果两个取压法兰间尺寸 h 2 不变,当法兰式差压变送器的安装位置升高或降低时,问对测量有何影响?
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】会计核算所提供的各种信息是会计监督的依据。 （ ）
【简答题】会计核算所提供的各种信息是会计监督的依据。（）
【单选题】What are the chances that we will encounter some alien form. of life, as we explore the galaxy. If the argument about the time scale for the appearance of life on Earth is correct, there ought to be m...
A.
it is impossible that we encounter some alien form. of life
B.
life only exists on Earth
C.
it is likely that we' ll encounter some alien form. of life
D.
beings from outer space will never visit the earth
【单选题】Teenagers are spending more money than ever. Just last year, 31.6 million teens spent 155 billion, according to the Northbrook, Illinois-based market research group Teenage Research Unlimited. Much of...
A.
a market research company based in Illinois
B.
a spokesman for the Teenage Research Unlimited
C.
the base of the Teenage Research Unlimited
D.
the city where the spending survey was carried out
【单选题】黑格尔说:“假如一个人能看出当前即显而易见的差别,比如,能区别一枝笔与一头骆驼,我们不会说这个人有了不起的聪明。同样,另一方面,一个人能比较两个近似的东西,如橡树与槐树或寺院与教堂,而知其相似,我们也不能说他有很高的比较能力。我们所要求的,是要能看出异中之同和同中之异。”这其中的哲学道理是( )
A.
事物的存在既对立又统一
B.
事物的存在有相似之处
C.
事物的存在有差别之处
D.
事物间的异同很难区分
【简答题】有人说人与人之间的区别，最主要的是人格差异，而不是专业知识的差异，你怎么看？
【单选题】What are the chances that we will encounter some alien form. of life, as we explore the galaxy. If the argument about the time scale for the appearance of life on Earth is correct, there ought to be m...
A.
it is impossible that we encounter some alien form. of life
B.
life only exists on Earth
C.
it is likely that we'll encounter some alien form. of life
D.
beings from outer space will never visit the earth
相关题目：
参考解析：
知识点：
题目纠错 0
发布
