欢迎来到牛牛题库网 牛牛题库官网
logo
搜索

单项选择题

3.流体在无相变自然对流给热时，影响传热过程的准数有（ ），分别是（ ）。
A、（1）3，雷诺数、努赛尔特准数、普兰特准数
B、（2）3，雷诺数、努赛尔特准数、格拉斯霍夫准数
C、（3）3，努赛尔特准数、格拉斯霍夫准数、普兰特准数
D、（4）4，努赛尔特准数、格拉斯霍夫准数、雷诺数

点击查看答案

相关考题

单项选择题
First pregnant woman, 25 years old.  At 32 weeks of pregnancy, she came to the doctor because of body edema and headache. She had facial and lower extremity edema before pregnancy. Blood pressure was 160/110mmHg (11.3/14.7kPa), urine protein (+++), granular casts and red blood cells were seen.  After treatment, she gave birth naturally at 37 weeks of gestation. At 6 weeks postpartum, her blood pressure dropped to 128/75mmHg (17/10kPa), urine protein (++), and edema (+).  Which of the following diagnoses is more likely
A、Preeclampsia
B、Pregnancy with nephritis
C、Chronic nephritis complicated by preeclampsia
D、Pregnancy with chronic hypertension
E、Essential hypertension complicated by preeclampsia
多项选择题
What needs to be put down when you are taking a message through the phone?
A.The time and date of the call.
B.The reason of calling.
C.What needs being done after the call.
D.Where the call is from.
A.The
B.
B.The
C.
C.What
D.
D.Where
单项选择题
红星公司被评估的某材料系最近从外地购入，当时共购入500件，单价600元/件，共发生运杂费等8000元，经盘点，该材料尚余100件，该批材料的评估值为（　　）。
A、68000元
B、124000元
C、308000元
D、61600元
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题