单词：proportional pump
proportional pump的用法和样例：
例句
- It can help to determine the dosing capacity of the pump which is in working conditions.在泵浦运转时，可校正及标定定量泵浦之输送量。
单词：proportional pump 相关文章
More and more of the world's population are living in towns or cities. The speed at which cities are growing in the less developed countries is alarming. Between 1920 and 1960, big cities in developed countries increased two and a half times in size,
英语听力小短文走遍全世界
Narrator: Exercise 4.9. Lecture 4: Interviewer: Will you please welcome Vernon Applethwaite, a lecturer in political science at Worthington University, California, who is here today to discuss the types of voting systems in existence in various democ
202 Useful Exercises for IELTS
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
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.
电信英语
And I had to quit and come and do this thing called A Better Place. 我于是退出了SAP的CEO的竞选，开始了这个名为更美好的地方的方案。 Now we then decided to scale it up. We went to other countries. 然后我们决定把这个方
TED演讲科技篇
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)
'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）
The Laws of Work 工作法则 After any salary raise, you will have less money at the end of the month than you did before. 涨工资以后，到月底你兜里剩下的钱会比以前还少。 Don't be irreplaceable. If you can't be replaced, you ca
英语小达人
At Principia's heart were Newton's three laws of motion (which state, very baldly, that a thing moves in the direction in which it is pushed; that it will keep moving in a straight line until some other force acts to slow or deflect it; and that ever
万物简史
1. Everything can be filed under miscellaneous. 任何事都能归为杂事。 2. There is never enough time to do it right the first time, but there is always enough time to do it over. 永远没有足够的时间在第一次就把事情做好，但永
实用英语
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
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
non-payment 不缴付；不付款 non-performing assets 非营运资产 non-performing loan 非营运贷款；不履约贷款 non-profit-distributing body 非分配利润的组织 non-profit-making 非牟
财会英语
property passing on a death 死者去世时转移的财产 property portfolio 房地产投资组合 property situated outside Hong Kong 在香港以外地方的财产 property tax 物业税 property t
财会英语
New Zealand has had MMP voting for our Members of Parliament for the last 16 years. MMP means Mixed Member Proportional. The system we had before MMP was called First Past the Post, like horse racing, where the winner was the one with the most votes.
新西兰英语
Today is the first Thursday in May, which is often an election day in Britain. People in many parts of England are voting today in local council elections. In Scotland there are elections to the Scottish Parliament, and in Wales there are elections t
听播客学英语