Abstract: The electrical submersible pump (ESP) is widely used in the oil industry as an artificial lift method in deep wells, and its primary application of ESP is to increase the oil flow rate.
The heart is a pump, and the blood goes round, and round, and round all the time. And why does it do that? Why can't it just have a rest? Well, the blood has to be kept moving around all the time ...
The skin is the body's largest organ and helps protect internal organs from harm. Hair helps protect the skin, regulates body temperature, and is part of the body's sensory system. Sweat glands help ...
Narrator: Well here we are ladies and gentlemen, in the heart, the powerhouse of the circulatory system, the hardest working muscle in the entire human body! Your heart first pumps blood to your lungs ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果