[化] 链式泵
A pump consisting of an endless chain, running over a
drum or wheel by which it is moved, and dipping below the water to be
raised. The chain has at intervals disks or lifts which fit the tube
through which the ascending part passes and carry the water to the
point of discharge.

本讲为 2006 年下半年新的教学内容,请对照语法、教材、练习册听录音! Text B Return of the Chain Gang 重点词语 deny v./ n. 否定,否认;拒绝接受,拒绝给与

发表于:2018-12-01 / 阅读(384) / 评论(0) 分类 自考英语(二)60讲

[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(349) / 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(295) / 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(306) / 评论(0) 分类 海事英语

What if you could wave your phone over a piece of fish at a store and immediately see a record of its path through the supply chain? 如果你在商店里把手机在一块鱼肉上面晃一下,就能立即看到它在供应链上的路径记录,结

发表于:2018-12-08 / 阅读(290) / 评论(0) 分类 2017年VOA慢速英语(十一)月

This is Whats Trending Today Recently, the operators of a bookstore in Southampton, England made an unusual appeal to people in the community. They sought help moving books and other things to the stores new location, a short distance down the street

发表于:2018-12-08 / 阅读(303) / 评论(0) 分类 2018年VOA慢速英语(十一)月

[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(346) / 评论(0) 分类 高中英语人教版高一

By now, most people have heard of bitcoin. Bitcoin is a virtual currency that has had a huge rise in value during 2017. Bitcoin however is just one of many cryptocurrencies. A cryptocurrency is a kind of money that does not exist in the form of bills

发表于:2019-01-03 / 阅读(313) / 评论(0) 分类 2018年VOA慢速英语(一)月

今天我们要学的词是 chain。Chain 除了大家都知道的,有锁链的意思,还有连锁店的意思。The American drug store Walgreens became the first retail store chain to expand its services to include diagnosing and treating patie

发表于:2019-01-09 / 阅读(300) / 评论(0) 分类 英语单词荟萃

COPENHAGEN, Feb. 18 (Xinhua) -- German supermarket chain Lidl in Denmark has found traces of horse meat in a pasta dish, the supermarket annouced late on Monday. A pasta dish called Combino Penne Bolognese from the manufacturer Copack has been found

发表于:2019-01-09 / 阅读(322) / 评论(0) 分类 英语新闻

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(255) / 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(294) / 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(277) / 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(335) / 评论(0) 分类 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

发表于:2019-01-22 / 阅读(300) / 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(299) / 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(376) / 评论(0) 分类 365个英语简短小故事

介绍: Pump /p?mp/ 打气筒 A bike pump is necessary if you travel long distance. 如果长时间骑车的话,那么打气筒就很有必要。 Tire /ta?r/ 轮胎 I've got a flat tyre (= the air has gone out of it).我的车胎没气了。 Pedal

发表于:2019-02-13 / 阅读(175) / 评论(0) 分类 英语俚语天天说

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(250) / 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(309) / 评论(0) 分类 学个词
学英语单词
antistrike
asparatylglucosaminuria
axenic animal
back on my feet
bail you out
barr's ebulliometer
batch roller
beaker in tall form
brecciates
bubble population
carteolol
centrorhynchus amphibius
cervical disc syndromes
Chinese herring
coconnected
coefficient of homogeneity
crab-tree
crawl space
cupreous manganese
depairings
diffusional potential
Dinago Pt.
domainless
domecia hispida
double traverse rate
easterly winds
ecotoxicologist
Engine full astern!
expected number of failure (enf)
exponential rising
familial hypercholesterolemias
family styracaceaes
Fenxiang Formation
further investment
gas carbruizing furance
gas of combustion
gasoline chamber
gavialiss
glazed greaseproof paper
hand sb. a lemon
HD ROM
heavily pregnant
heirless estate
helium-3 maser
I have low blood pressure
indiscriminate use of pesticide
inerasibly
intercystic
joint insurance
killbuck
laser beam deflection circuit
marine faunal group
microatoll
mismatchers
n-sulfomethylaniline
non-suppurative nodullar panniculitis
on-lendings
opinor
opisthograptis punctilineata
OPLR
ostenon lamella
over pivot weight
overcommit
palaeophysiological
perfect objective
platformcar
plunger guide bush
polyurethane foams
pomacentrid
positive impact
post foresight
proteinogenic
pump excitation
pyrodick
radical rightism
reburn
rough country
sedge-pool itch
segmentalis ventr. arteria
shahiv
sin'al fine
sitology
six wheel truck
six-tops
smoked meat
so much
space period
T-connection
teaching quality
telegram exchange
theory of criminal law
thrust scarp
tobacco mellowing
took roots
tropic high water inequality
undervolted
us soldier
usertl
Verwoerd, Hendrik Frensch
waldgrave
watching for
woolly hair