泵的有效压力

ATTENDANT: Can I help you, sir? SAM: Yes, I've been sitting here for a few minutes. I'm waiting for someone to put gas in my car. ATTENDANT: I'm sorry, sir. But this is the self-service pump. SAM: Self-service? ATTENDANT: Yes. You must fill up the

发表于:2018-11-28 / 阅读(199) / 评论(0) 分类 旅游英语口语

[00:01.79]test 9 [00:03.35]Section A [00:04.74]Now let's begin with the 8 short conversations. [00:07.90]11. W: Will you take geology next semester? [00:11.31]M: I've had enough science courses. [00:13.75]Q: What does the man mean? [00:30

发表于:2018-12-04 / 阅读(130) / 评论(0) 分类 王迈迈大学英语六级预测与详解

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

发表于:2018-12-04 / 阅读(106) / 评论(0) 分类 英语每日一词

Part 13 Ballast handling 1. Scuppers plugged. 2. Open sea suction valve and report. 3. Sea suction valve closed. 4. Ballast pump stopped.

发表于:2018-12-05 / 阅读(111) / 评论(0) 分类 海事英语

ork Pressure Work pressure refers to the compelling force or influence that comes from one's work. Nowadays with the competition in the work field becoming more and more fierce (激烈), work pressure has become a serious problem for every person. It

发表于:2018-12-12 / 阅读(94) / 评论(0) 分类 英语四级作文范文

[00:24.89]Unit 1 The summer holidays [00:29.15]Lesson 1 Dialoges [00:33.59]1 Two students meet for the first time at the beginning of term. [00:40.15]Bill: Hello.I'm Bill.What's your name? Harry: Harry. [00:46.11]Bill: Which school were you at last y

发表于:2018-12-13 / 阅读(131) / 评论(0) 分类 高中英语人教版高一

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.

发表于:2019-01-12 / 阅读(74) / 评论(0) 分类 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

发表于:2019-01-13 / 阅读(99) / 评论(0) 分类 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

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 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

发表于:2019-01-13 / 阅读(111) / 评论(0) 分类 VOA标准英语2010年(四)月

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

发表于:2019-01-14 / 阅读(79) / 评论(0) 分类 VOA标准英语2011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

发表于:2019-01-22 / 阅读(93) / 评论(0) 分类 英文短篇故事(纽约)

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

发表于:2019-02-02 / 阅读(112) / 评论(0) 分类 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

发表于:2019-02-03 / 阅读(151) / 评论(0) 分类 365个英语简短小故事

CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen

发表于:2019-02-05 / 阅读(124) / 评论(0) 分类 英语新闻

轻松自在的工作怎么说 (2008-12-08 14:00:18) Bankers hours Banker是银行家。三十多年前银行开门营业的时间特别短,从早上十点到下午两、三点就结束了,所以银行家的上班时间每天只有四、五个小时

发表于:2019-02-06 / 阅读(63) / 评论(0) 分类 实用英语

November 10 11月10日 Read it! 读读看! Taylor needs gas for her car. 泰乐的车子需要加油, She can go to the gas station on June Street. 她可以去六月街的加油站, Can Taylor pay cash there? 泰乐在那里可以付现金吗?

发表于:2019-02-16 / 阅读(45) / 评论(0) 分类 大家说英语

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

发表于:2019-02-16 / 阅读(111) / 评论(0) 分类 学个词

上次我们学了两个由hour这个词组成的习惯用语,the eleventh hour解释最后时刻, zero hour意思是关键时刻。 今天我们再讲两个也是从hour发展而来的习惯用语,但和上次不同的是今天学的都表示欢

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 实用英语

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视)pressure.

发表于:2019-02-18 / 阅读(100) / 评论(0) 分类 趣味英语
学英语单词
a movable feast
accouchement force
accuracy of readings
alginate thickenings
anolobine
antioxidant CA
back observation
balance up
beslan
bisulfide (bisulphide)
board approval indicator
bounced check
cane
chaptal
citrin(e)
cliff cut style
Clostridium sordellii
collection limitation principle
consonantal system
contact electromotive force
cotton-mill fever
crucible lifter
demagnetisation
depth-of-field indicator
direct credit
distance between welding wires
diurnal age
DRADA
drift dam
fractura
Freemedicaljournals
fuel-enrichment
gate house
give an invitation
God's plenty
greenjeans
hastes
health belief
Holland line
hormogonian
hot buttons
illuminatios
indigestibly
inflected arch
ingenuitous
input pattern
interferometric binary
Ivan III
janzen-rayleigh iteration
Javādābād
jetcopters
khamis mushayt
kilo baud
Kiltimagh
language designer
lifetime of an activity set
luncheon sausage
majnu
masino
mechatronic
meshblocks
moroctic acid
motor-winch
mr. nice guy
natural elimination
Ndzounou
Nea Artaki
neoevolutionism
nickel-palladium arsenide
nitro-reductase
normal flight
oil treatment equipment
optimum geometry
Packaged Goods Regulations
pear fruit sawfly
pit type crucible furnace
point welding
reactor coolant piping system
rear elevator
rear-feed horn
reversing yoke lever
rubia linii
rupturings
sanden
severely affected plot
Shareholder Activist
sir william gerald goldings
slab-thickness
soft-iron instrument
spectral mapping theorem
squarable
steelyard weight
throw sb to the ground
trading accounts
tubes of field intensity
unconfirmed report
underpuller
unscrupulousness
Viburnum opulus
wedding banquet
whome'er
willcoxes