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问题 问答题 简答题

蒸气喷射式均质机的工作原理、工作过程中料液预热的目的？

答案

参考答案：

（1）工作原理：利用蒸汽或压缩空气流来供给物料均质的能量，借高速运动的物料颗粒间的相互碰撞及颗粒与金属表面的高速撞击，使颗粒粉碎成更细小的颗粒而达到均质的目的

（2）目的：1）防止料液过多地吸收蒸汽的热量把其冷凝而使料液变稀；2）实现无菌操作

补全对话，情景问答

根据对话内容，从方框中选出五个合适的句子补全对话。

A: Good morning, sir. Can I help you?

B: 1             

A: Yes, sir. Which country would you like to visit?

B: 2.             I'm too tired and just want to relax.

A: Maybe you can spend your holiday in Switzerland (瑞士). 3            

B: But it's too cold. 4             

A: What about Australia? There is a lot of sunshine there all the year round.

B: 5             And I can practise my English as well.

A. Where are you going?

B. It's a wonderful place for skiing.

C. I'd like to spend my holiday abroad.

D. I've no idea.

E. Good idea.

F. It doesn't matter.

G. I prefer warm places.

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单项选择题

用来产生伪随机序列的算法在GSM规范中称为（）算法。

A、随机

B、A5

C、复杂

D、G5
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