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[report整理] SENEWS-2011-04-25

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[Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in stan. Since then, it has been built and used in many countries.It can heat seventy liters of water to sixty degrees celsius. It can do this between sunrise and noon on a clear day with an average air temperature of thirty-two degrees Celsius.There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color.This black metal plate is called a collector. The collector is placed in contact with the water.There are several kinds of metal sheets that can be used for the collector. Corugated metal will work very well. Corrugated sheets are often used as roofs on housing.Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about one hundred liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system. The other lets water flow out.When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced.There is also something else you will need to make the solar water heater work -- the sun. As you might imagine, the heater will heat water only on sunny days.You can get more information about solar water heaters and other projects from enterprise works. This group works internationally to fight poverty. The website is enterpriseworks.



                                                   
This post was generated by put listening repetition system,  Check the original dictation thread!

[Homework]SENEWS-2011-04-25

HOMEWORK 2016.12.24 40min
This is voa special English technology report.Solar water heaters are used around the world and are not very difficult to bulid.The system we are going to describe is based on the desire, the develop some use ago in XXX,since then it has been bulit and used in many countries.It can heat 70 liters of water to 60 degree XXX.It can do this between son rise and noon on the clear day with average air temperature of 32 degree XXX. There are two parts in solar water heater. One part is made of XXX of metal painted black.Black become hoter in the son then painted in the other colour.This black metal plate is called a collector. the collector is placed in contact with the water.There are several times of metal that can be used for the collectors. XXX work very well. XXX often used as wop on the housing.Once the water is heated , it is capted hot with isolation material.This allows the water stay warm for a long time.The second part of the solar water heater holds the water for the system.the storage tank can be a container that holds about 100 liters.Two XXX are touched to water storage tank.One pipe let water flow into the system, the other lets water flow out.When the water heating is working correctly, water wil flow from the storage tank to the collector and back again. You can use the hot water at the top of tank for washing and cleaning.you can change the flow of water so the temperature is hot or warm as XXX.This solar water heater is eaisy to build and uprate.It lasts about 2 years before the XXX pipes need to be replaced.there was also something else you will need to make solar water heater work.the son as you might imagin, the heater will heat water only on sonny days.
You can get more information about solar water heaters and the other project from enterprise works XXX.this group works internationally to fight povery.the webside is enterprise works XXX. Choose the link for news and resources then click on the publications.
And that is voa special technology report. Tell us if you ever built solar water heater or have ideas of improvements.Post your comments at voa special english.com or you can also find mp3 and pub to xxx.We also offer english teaching activities in the classroom section of our site. I'm STEVEN member.

This post was generated by put listening repetition system,  Check the original dictation thread!
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[Homework]SENEWS-2011-04-25

Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries.
It can heat seventy liters of water to sixty degrees Celsius. It can do this between sunrise and noon on a clear day with an average air temperature of thirty-two degrees Celsius.
There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color.
This black metal plate is called a collector. The collector is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing.
Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about one hundred liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system. The other lets water flow out.
When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced.There is also something else you will need to make the solar water heater work -- the sun. As you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from EnterpriseWorks/VITA. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for News & Resources, then click on Publications.
                                                   

This post was generated by put listening repetition system,  Check the original dictation thread!
实现无障碍英语沟通
HW:
This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build.
The system we are going to describe is based on the design developed some years ago in Afghanistan.
Since then, it has been built and used in many countries.
It can heat 70 litters of water to 60 degrees Celsius
It can do this between sunrise and noon on a clear day with average air temperature of 32 degrees Celsius.
There are two parts of the solar water heater.
One part is made of sheet of metal painted black.
Black surfaces become hotter in the sun than surfaces painted in the other color.
This black metal clit is called a collector.
The collector is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector.
Corigated metal will work very well.
corigated sheets are often used as roofs on the housing.
Once the water is heated, it is kept hot with isolation material.
This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system.
This storage tank can be a container that holds about 100 litters.
Two rubber pipes are attached to the water storage tank.
One pipe lets water flow into the system.
The other lets water flow out.
When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
You can use the hot water at the top of the tank for washing and cleaning.
You can change the flow of water, so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate.
It will last about 2 years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work, the sun.
As you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from enterprise works vital
This group works internationally to find poverty.
The website is enterpriseworks.org.
Choose the link for news and resources, then click on publications.
And that's the VOA Special English technology Report.
Tell us if you ever build a solar water heater or have ideas for improvements.
Post your comments at voaspecialenglish.com where you can also find transcripts, mp3s and podcasts about programs.
We also offer English teaching activities in the classroom section about our site.
I'm Steven M*.
守护灵魂的心
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