单词：steam temperature control(stc)
单词：steam temperature control(stc) 相关文章
KATHLEEN: Are you cold? HANK: Yes, a little. KATHLEEN: I wonder if we can change the temperature. HANK: I tried before. There are no buttons on the air conditioning. KATHLEEN: There must be buttons. How do they turn it on and off? HANK: I think it i
旅游英语口语
This is the VOA Special English Development Report. Indonesian women sell their harvest in a traditional floating market Before refrigerators were invented, the next best thing was an ice box. But another way to keep food fresh is to use an evaporat
VOA慢速英语2009年（十一）月
An Englishman is at home with his girlfriend. (E=Englishman; G=girlfriend) G: Have you gone mad? Why are you roaring your head off like a lion? E: Rrrrr...ah! G: Hey, have you gone off your rocket or
赖世雄中级美国英语
At the hotel 一个适合初中生的英语短剧本，三个人表演，强烈推荐！ KATHLEEN： Are you cold？ HANK： Yes， a little. KATHLEEN： I wonder if we can change the temperature. HANK： I tried before. There are no buttons on the a
英文剧本
How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a
英语听力文摘 English Digest
Bug Antifreeze Ever seen a cricket wearing a parka? Probably not, but you might have wondered how insects make it through the winter! After all, theyre cold-blooded, so their body temperature is pretty close to the temperature around them! Why dont b
英语听力文摘 English Digest
Why Are Nights More Calm Compared To The Day? More often than not, the wind dies down at night after a blustery day. Where does the wind go? Why are nights generally more calm than days? The difference between calm nights and windy days is the sun. D
英语听力文摘 English Digest
Cooking Under Pressure When you boil potatoes on the stove top, it can take half an hour to cook them til tender. But, when you boil them in a pressure cooker, instead presto, theyre ready in about five minutes. Whats the difference? What makes press
英语听力文摘 English Digest
Why refrigerators hum? Why refrigerators hum，on toay's moment of science.On the recent program we have discussed how fluorocarboncoolant cools your food by coming to a boil in coils hidden in your fridge. How is this possible? When you boil water o
英语听力文摘 English Digest
SCIENCE IN THE NEWS -May 21, 2002: First electronically controlled animals / Study of mothers and their sons / Effects of global warming Broadcast: VOICE ONE: This is Sarah Long. VOICE TWO: And this i
科技之光
I'm from the Maintenance department.Did you call us? 我是维修部的。是您给我打电话的吗？ Yes. The air conditioner is not working properly. 是的。 这个空调有些毛病。 What's the problem? 有什么问题？ The remote control
旅游英语口语就该这么说
It's been an absolutely exhausting night for any of the turtles you can see behind me, in fact you can actually make out this old girl here, she is absolutely shattered, she is completely spent, and she is just desperately trying to get back into the
自然百科2014年
Thermometers just tell you the temperature. Thermostats need to do more than that. In addition to reading the air temperature, thermostats also turn your furnace on if the air gets too cool, and turn it off again when the air heats up. How do they do
英语听力文摘 English Digest
Clouds in the Kitchen 厨房飘着的云朵 Fill a kettle with water, then turn on the burner. In a while, your kettle will start belching white billowy stuff into the air. What is this stuff? Steam? Actually, no. Steam is water thats heated to two h
英语听力文摘 English Digest
Ocean Heat 海洋热量 Ya?l: I hear a lot about global warming, but how do scientists take the Earths temperature? Don: Great question. Most of the excess heat trapped by greenhouse gasses like carbon dioxide ends up in the oceans.Thats because the
英语听力文摘 English Digest
Dehydration 脱水 If I were to stop drinking water right now, how long could I live? There are different factors involve d here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person could di
英语听力文摘 English Digest
Boiling Water Under Boiling Clouds You may be surprised to hear that its actually easier to boil water on stormy days than it is when the weather is clear and sunny. Can you guess why? The reason is that the boiling point of water changes slightly in
英语听力文摘 English Digest
Contrary to popular belief, alcohol does not make you warmer. It may give you the feeling that youre getting warmer, but thats just an illusion: really, alcohol makes you more susceptible to the cold. In cold weather, the body reacts by routing blood
英语听力文摘 English Digest
Brandy From Wine： How Alcohol Is Turned Into Brandy? 白兰地酿造工艺精湛，特别讲究陈酿时间与勾兑的技艺，其中陈酿时间的长短更是衡量白兰地酒质优劣的重要标准。干邑地区各厂家贮藏在橡木桶中的
英语听力文摘 English Digest
Cold Feet and Hot Wings 鸟通常只在休息或睡觉的时候才单脚站立。鸟类学家认为，他们这么做是为了减少能量的消耗，并把一只脚收到翅膀之下休息，通常他们会交替使用两只脚独立。披着一身羽
英语听力文摘 English Digest