单词：hydrochloric acid corrosion
单词：hydrochloric acid corrosion 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
Airline food has a bad rap, but it doesnt completely deserve it. When we fly at high altitude we simply cant taste as much. The main reason is the low humidity in the airplane cabin, which causes our sinuses to dry out. The humidity is kept around 4%
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The cured meat adds to the Chinese tradition of flavour. 中国的味觉史就这样在腊味中延续着。 At a remote place in the Chinese mainland, you can experience a more ancient and aboriginal taste. 在远离香港闹市的内地山区，你可
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British Petroleum has put someone new in charge of their operations in Alaska, where they spilled 800,000 gallons of oil in March and where they shut down the biggest oil field in the United States in August because of pipeline corrosion. BP is the
初级商务英语听力2006
核心句型： Don't pass the buck. 不要推卸责任。 pass the buck 这则俚语的起源和纸牌游戏有关，据说在19世纪的纸牌游戏中，buck是指猎兽用的大型铅弹或者带鹿角手柄的刀。当轮到某人发牌时，这个
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How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
Section 28 Acid Rain 50 years ago, no one talked about acid rain. Then we didn't really know the harm it was causing to the world. Today almost every adult and school child is aware of acid rain and i
英语导读1000句
超节奏英文歌曲：I can--nas i know i can (i know i can) be what i wanna be (be what i wanna be) if i work hard at it (if i work hard it) i'll be where i wanna be (i'll be where i wanna be) be, b-boys and girls, listen up you can be anything in
欧美绝对经典 U2
Can Folic Acid Prevent Childhood Autism? From VOA Learning English, this is the Health Report in Special English. A new study found that women who took folic acid supplements in early pregnancy were less likely to have a child with autism. Folic acid
2013年VOA慢速英语(五)月
AS IT IS 2016-02-13 Work Soothes Pain of Acid Attacks In India A caf in India is hiring women who once stayed in hiding after being attacked with acid. One woman, Dolly Kumari, says she stayed inside for two years after a man threw acid on her. He wa
2016年VOA慢速英语(二)月
Magnetic Ring Used to Stop Acid Reflux Heartburn is usually linked to gastric acid that reaches the esophagus when a weak muscle does not close as it should after swallowing. When stomach juices back up into the esophagus, the acid can cause a burnin
VOA标准英语2013年(四月)
A: How are you feeling today? B: I have a terrible cold! A: Where do you think you picked that up? B: A lot of people in my gym have it. Maybe I got it from the equipment. A: Have you taken anything for it? B: I think that I am just going to rest and
英语情景对话-健康
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
JUDY WOODRUFF:Next: how an oil spill near Little Rock, Ark., is casting a shadow over the proposed expansion of the Keystone pipeline. MAN:So that is a pipeline that has busted and has flooded the neighborhood. JUDY WOODRUFF:A local resident describe
PBS访谈环境系列
ANA says it will replace the engines on its fleet of Boeing 787s after a series of engine failures caused by corrosion and fatigue cracking of turbine blades. 全日空航空公司表示，由于涡轮机叶片出现腐朽和裂痕造成的一系列引
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The AG600 amphibious aircraft is expected to take its maiden flight over land in the first half of 2017 and on water in the second half, said its developer, the Aviation Industry Corporation of China (AVIC). 国有飞机制造商中国航空工业集团
英语新闻
Today we will learn some words connected with volcanoes; and we will find out that volcanoes are bad for aeroplanes, and why people in west London can now hear the birds sing. Volcanoes are mountains, or other places, where the inside of the earth co
听播客学英语
Business 商业报道 General Motors woes 通用的悲鸣 What do you recall? 你召回什么？ GM is forced to confront its faults 通用被迫面对它的错误 WHEN Mary Barra took the wheel at General Motors in January she inherited a company in
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