单级离心泵

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(197) / 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(129) / 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(109) / 评论(0) 分类 海事英语

[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(130) / 评论(0) 分类 高中英语人教版高一

Flood survivors blocking a highway in southern Sindh province in Pakistan outrage they're not seeing the humanitarian aid promised them. The BBC's Mike Wooldridge says an estimated 20 million people are affected with waterborne diseases on the rise.

发表于:2018-12-17 / 阅读(47) / 评论(0) 分类 2010年NPR美国国家公共电台8月

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(五)月

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(72) / 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(98) / 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(72) / 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(110) / 评论(0) 分类 VOA标准英语2010年(四)月

A: What's wrong? 出什么事了? B: My car has broken down. 我的车坏了。 A: Well, what should we do with it? 哦,我们应该怎么办? B: I'll ask someone to repair it. 我找人来修。 A: I have a flat tyre. 我有一个轮胎漏气了

发表于:2019-01-21 / 阅读(59) / 评论(0) 分类 旅游英语口语情景对话

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(91) / 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(111) / 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(121) / 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(62) / 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(44) / 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(110) / 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(53) / 评论(0) 分类 实用英语
学英语单词
2-(ethylthio)ethanol
advertising the special sale
airborne missile control system
alizadeh
all-inone
Arafat, Yasir
Arcady
auto-increment decrement
be herself
blistering
body development
bowline knots
bromoethyl acetate
bubble-point
capacity reserve
Chainskiy Rayon
chestiness
come to the party
concave-convex system
Contracted-weir
cool character
crize
cycle constant
Darlington power transistor
daubings
Deacetyldeltamycin
debigulate
decemvirate
discandium
discrete smallpox
dished pellet
distance sum measurement system
Dochez-Avery's reaction
drawing hand
drill frame hoist
driving member
effective directivity factor
enamel still
energing
extra-value
FGC
fishmongers
hadron-hadron interaction
heat physics
heliambulance
Hilary term
idomeneo
intermediate igneous rock
isoseismals
justicin
keg float
knight bachelors
laminadens
latch handle pin
leroys
let-offs
licensed band
marine power plant manoeuvrability
maritime transport service
mesitylene alcohol
multiple protocol layer
Nabisco
non-radioactiv component
OACI
pfifferling
phosphopenia
Purdysburn
radiometric assay
radius of visibility
ringing alarm system
run back over
save for
scientious
sconsole
search coil magnetometer
second-oldest
shafak
shoke horn antenna
single cascade action
sodium vanadateV
somatic sensory column
squattocracies
St-Pamphile
stack coil
stigmatic cords
strap-watch
syndrome of cold in both superficies and interior
synglyph
Tehrān, Ostān-e
time response
tourist attractions
tubular lap joint
tunica mucosa uteri
two-pass assembler
undersonic frequency
undulatory
unwerred
up to scratch
user context
venae digitales plantares
Wheatland County
zero polt