单词：spiral pump
spiral pump的用法和样例：
例句
- Centrifugal pumps are the most common pump power.离心泵是最常见的动力式泵。
- Roto-Jet Pump is a new type of high-pressure chemical centrifugal pump.旋转喷射泵是一种新型高压化工离心泵。
单词：spiral pump 相关文章
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
英语每日一词
Here I was interrupted and informed that a stranger wished to see me down at the door. I went and confronted him, and asked to know his business, struggling all the time to keep a tight rein on my seething political economy ideas, and not let them br
马克吐温最佳短篇小说
ENGLISH MARATHON Host: Jeffery 1. hot balloon/ what high can we reach? s the height? how 2. paragliding/ spiral / touch down 3. is it safe? / Will you take pics for us? 4. snorkeling/ scuba diving / sky diving
英语口语轻松学
Pre-Listening Vocabulary pasta: a staple Italian dish, shapes made from flour, water, and sometimes egg retain: to keep translation: the process of changing a word into a different language reed: a tall thin grass that grows in a marshy area spiral:
趣谈英语
1. NASA says it will review psychological training after astronaut Lisa Nowak's arrest. She's accused of trying to kill another woman in a romantic dispute. She was charged with attempted murder in Florida. On Wednesday, Nowak returned to Texas from
美联社新闻一分钟2007
During your first years in the workforce, you can expect to have a huge learning curve not just about the details of your job, but about broader issues of how to manage your career and operate successfully in an office. How do you deal with difficult
求职英语
Galaxy 星系 Can you believe that there are at least 100 billion galaxies in the universe? Yes, there are. 你相信宇宙中至少有1,000亿个星系吗？确实有。 Small galaxies have 10 billion stars and big galaxies have one trillion stars. 小
与美国小学生一起学英文第11册
You know what to say on my way out Hit me with the hey been a while Now I'm going straight through the fire fire I don't even know why though Get me on a wave then you fade out Hit me with the light got me hired I should get away from you I know I kn
节奏布鲁斯
By Melinda Smith Washington 28 March 2008 Last month we told you about a young woman in the United States who got an experimental heart pump to help keep her alive. VOA's Melinda Smith has an update on her remarkable story.
VOA标准英语2008年（三月）
The World Health Organization says heart disease kills about 17 million people every year and that it will become the leading cause of death in developing countries. But now, there is some hope. A new device is being marketed that could save countles
VOA标准英语2010年(一月)
Life-saving Heart Pump Developed for Children Sixteen-year-old Marco Murguia can now play basketball and live a normal life. But in early 2007, when he was ten, his mother, Connie Murguia, noticed he was acting sluggish and took him to Texas Children
VOA标准英语2012年(八月)
'Horseheads' dip into the earth to make their owners a few bucks Ted Landphair | Washington, DC 31 March 2010 If you wonder why pumpjacks are sometimes called horseheads, stick a couple of ears and paint an eye on each side of this one, and you'll se
VOA标准英语2010年(四)月
He was going to ride his bike down to South Ferry. He squeezed the tires. They were soft. They needed air. I should buy a pump one of these days, he thought. He rode his bike to K-Mart on 34th Street. He walked the bike inside the store. He went to t
英文短篇故事（纽约）
Ways To Manage Stress Creatively 管理压力的方法 Accept Creativity as Workbecause who wants a real job anyway? 将创造力视作工作因为，谁想真地工作呢？ The biggest skill is being able to separate yourself from your work. 我认为
英语听力广播—Listening
Pinocchio hesitated still another minute. 皮诺乔又犹豫了一分钟。 Then, remembering how his father had often told him that a kind deed is never lost, he swam to Alidoro and, catching hold of his tail, dragged him to the shore. 可他记起他
木偶奇遇记
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
英语单词荟萃
The blue bike was sitting in Owens living room. It had no kickstand, so he had wedged the front tire in between two bookshelves so that the bike would stand upright. Both tires were flat. Dust covered the bike. However, no household spiders had set u
365个英语简短小故事
Science and technology 科学技术 Solar energy 太阳能 Flower power 花朵的能量 In matters of clever design, nature has often got there first 若论巧夺天工，自然常常更胜一筹 A virtuous spiral 上面的螺纹看似简单，实际有
经济学人科技系列
今天要学的一个词是：pump。pump，Pump一般是指泵，或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采，《洛杉矶时报》的标题说：Oilfield Closure t
学个词
听歌学英语:我不是过客 Drive By Train是一个来自美国加利福尼亚州旧金山的摇滚乐队，成立于1994年。Train凭借他们1998年发行的首张专辑Train在主流音乐中取得成功。2001年发行的第二张专辑Drops
听歌学英语