题目内容

精馏塔内各层塔板的流动状态和物性相同,所以各层塔板的传质效率也相同。

A. 对
B. 错

查看答案
更多问题

怎么计算全塔效率?本实验中实际塔板数多少块?

塔釜釜液加热时,为什么要缓慢增大塔釜的加热功率?

为什么要塔釜液面保持在液位计量程的2/3左右?

1. What does it()like? (looks/look)2. Could you() me your ID? (show/see)3. Have you()a contact telephone number? (got/ get)4. We will () you immediately if we have any information about your lost property. (contact/ask)5. Please give me your name,address,telephone number,especially the time and place you()your property.(lose/lost)

答案查题题库