HC机组乳化液系统主要工艺参数是什么？

If you are not in the USA,we help you buy American cars. We have been helping people to buy American cars for fifteen years and have made a lot of mistakes and learnt from them all.

It can be complicated(复杂的) to buy a car from a foreign country. The large amount of paperwork, the time spent on the phone to the USA, and all the forms to fill in may make you worried. But, with our help, this process(过程) will not be so complicated.

We will help you look for a car in which you are interested, contact the seller, discuss the price, and so on. In short, we will help you buy a car and save money.

What we are doing is giving people what we had wished for before we started the company.

Now go to the “How It’s Done” page and read the process very carefully.

If you have any questions, call us at 01797 224387 or email info@americancarclassics.co.uk.

小题1:The company, which helps people buy American cars, has fifteen years of history.

小题2:If you want to buy a car from a foreign country, you have to fill in many forms.

小题3:The company doesn’t help the buyers save money.

小题4:The “How It’s Done” page tells you how to buy American cars if you are in other countries.

小题5:You can write a letter to the company to get more information.

房屋征收评估中估价机构应当坚持的原则有（）。

A.独立

B.客观

C.公平

D.公正

E.诚信

如图是心脏结构图，据图回答．

（1）在心脏的四个腔中，图中代表左心室的番号是______．

（2）血液从图中D出发流进b，最后汇集到c流回到A的过程叫______．

（3）图中流静脉血的血管有______．

串级调节系统中，主调节器起（）作用，一般采用PI或PID调节规律。

A、粗调

B、细调

一容器内有浓度为25%的糖水，若再加入20千克水，则糖水的浓度变为15%，这个容器内原来含有糖多少千克？（）

A．2

B．4.5

C．6.2

D．7.5