单词：bacterial corrosion
单词：bacterial corrosion 相关文章
New Concrete Recipes Could Cut Cracks能够对抗公路裂化的新型混凝土配方 There's a stretch of highway in Pennsylvania, along U.S. 422. And like every probably 20 feet you see a big pothole or cracking at the joint. Like everywhere. It wa
2017年科学美国人(五)月
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
舌尖上的中国第一季
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
轻松日记商务职场篇
Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r
VOA2003（上）-科技先知
You're locked in for 10 minutes of commercial-free news headlines! My name is Carl Azuz, it is Tuesday, April 5th and CNN Student News is up and running. The Obama Administration announced yesterday afternoon, that five suspected 9/11 terrorists will
CNN2011年(四)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an
Scientific American(一)月
1. Explosions rocked Beirut. Lebanese security officials say Israeli warships have been firing on the city southern suburbs. Local police reported at least five deaths. This after an Israeli raid that
美联社新闻一分钟2006
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
Common problems 常见问题 A:What sort of problems do you have with these machines? A:这些机器有什么问题？ B:They're quite complex machines and they have a lot of different components. We need to check the metal casing regularly for any s
职业技术英语口语
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
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
英语新闻
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
The U.S. International Trade Commission says a hearing on Corrosion-Resistant Steel Products from the Chinese mainland, Taiwan, India, Italy and South Korea has been postponed until May 26th. The hearing comes after the United States Steel Corporatio
cctv9英语新闻2016年
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
经济学人商业系列