[机] 有效落差, 有效水头

effective head的用法和样例:

例句

  1. Supply pressure is greater than static head pressure.供水压力大于落差压力。

There are six characteristics of speech, all of which are vital to speak effectively. In this section we'll look at each of them separately. These speech characteristics are basically important to you

发表于:2018-11-28 / 阅读(385) / 评论(0) 分类 疯狂英语2001年

BY STEPHEN R .COVEEY The first habit is 1)proactivity. Be proactive. The word proactivity is fairly common in management literature, but you won't find it in the dictionary. It means more than merely

发表于:2018-11-28 / 阅读(414) / 评论(0) 分类 疯狂英语2001年

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He' going up the letter pretty quickly. She's moving up the ranks one step at a time. We are transfering you to our headoffice. We are promoting you to a senior position effective immediately. We are happy you got the promotion. This courier move is

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10 Bad Habits Worth LosingAs we enter the first week of July, its been 6 months since we made our 2012 New Years Resolutions. How many have you nailed? And how many have fell by the wayside? Now is a good time to review what youve achieved so far and

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一.每日练嘴单词 1.vary 变化 Prices vary from month to month. 2.value 价值,评价 I value your friendship. 3.voice The difference between F and V is the voice. 4. over 5.clever You are so clever. Im proud of you. 6.review Lets review the la

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By Melinda Smith Washington 31 August 2007 Centuries ago doctors used hypnosis to help relieve the excruciating pain of surgery. It then fell out of favor with the introduction of anesthesia. Now as VOA's Melinda Smith reports, new studies show a hos

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1. drug company=pharmaceutical company 医药公司n. 2. promotion=marketing 营销n. 3. increase=escalate=rise=go up=grow 上升v. 4. research=study=survey=investigation 研究n. 5. work=be an effective way=be useful=help=achieve=succeed=have an eff

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eat v.吃 echo n./v.回声,回响;共鸣 economic a.经济学的,经济(上)的 economical a.节省的;经济学的 economy n.经济;节约 edge n.边,边缘;刀口,刃 edit vt.编辑 edition n.版,版本 editor n.编者,编辑 ed

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By Al Pessin Brussels 13 June 2007 U.S. Defense Secretary Robert Gates says the NATO alliance has demonstrated that it can be effective in Afghanistan in spite of continuing shortfalls in the number of troops member-nations are providing. VOA's Al Pe

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By Jessica Berman Washington 14 May 2008 Researchers have determined that commonly prescribed triple-drug combination therapies that use old antiviral drugs are the most effective for suppressing the deadly virus that causes AIDS. The findings have m

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DEVELOPMENT REPORT - Studies Say New Rotavirus Vaccines Are Safe and EffectiveBy Jill Moss Broadcast: Monday, January 16, 2006 I'm Steve Ember with the VOA Special English Development Report. Studies

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GUY RAZ, HOST: I want to ask you about this really famous Talmudic notion - actually, it might be that in the Quran as well - but this idea that, you know, if you save a single life, then you have saved all of humanity. You know that one? PETER SINGE

发表于:2019-01-17 / 阅读(233) / 评论(0) 分类 2017年NPR美国国家公共电台5月

文本: --- Ready? --- Would it make any difference if I said no? --- Not really. --- Body, shield, body, shield. Head. Come on,Merlin. Youre not even try. Once more. The left, right, and the left, head.Come on, Merlin. Ive got a tournament to win.

发表于:2019-01-21 / 阅读(198) / 评论(0) 分类 跟着英剧练发音

Chinese and American scientists have developed a new antibody targeting the MERS virus, which has, to date, killed 19 people and infected over 150 in South Korea. But Shanghai-based Fudan University has been working with the US National Institute of

发表于:2019-02-03 / 阅读(219) / 评论(0) 分类 cctv9英语新闻2015年

Sleep well, sleep better If sleep has plunged to the bottom of your to-do list, you're not alone. Although the National Sleep Foundation recommends getting seven to nine hours of sleep a night, the average American logs only six hours and 40 minutes.

发表于:2019-02-07 / 阅读(329) / 评论(0) 分类 阅读空间

Are You Lifehacking Too Much? Nick Cernis of Put Things Off recently declared that productivity is dead. He said that our obsession with productivity is getting in the way of our lives. Nick started out by saying that the productivity industry is out

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题目:Should criminals be sent to a jail or let them do something else as punishment instead of sending into a jail? Why and give your reasons. 范文:There has long been controversy concerning the objectives of the justice system. Sending crimi

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09年12月英语六级作文范文一: Directions: For this part, you are allowed 30 minutes to write a short essay entitled Say No to Pirated Products. You should write at least 150 words following the outline given below. 1.目前盗版的现象比

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1. After you.你先请。 这是一句很常用的客套话,在进/出门,上车得场合你都可以表现一下。 好象现在女士不愿意你这么做,特别是那些女权主义者。 我还记得这么一段话:一个女士对一个让她

发表于:2019-02-26 / 阅读(266) / 评论(0) 分类 英语口语
学英语单词
ahead of the curve
anticoincidence selector
arturius
arvis
at a tilt
autolog line
b bounce
beta-lipoproteinemia
bid form
Bond, George phillips
bons mots
boundary selectivity
Breynia officinalis
broadband carrier system
cam shaft bush
cargo transport plane
cellulosic resin
Cephalothrididae
Ciechocinek
cold rolling practice
colobus
colorless dyestuff
common left divisors
coryphene
crenated tongue
cutterbar attachment
dewey decimal systems
dimethylhydroxybenzene
dubernard
duodenomesocolic fold
Essexvale
Frederik Hendrikeiland
galvanized steel wire rope
george foxes
Gropius
half-raised
hartree fock approximation
hepatobronchial fistula
horse boy
hygronasty
interior post type container
interlaced code
irrigated takyr
juiceness
know what it is
laeotorma
latent hydraulic property
LI14
line deletion character
manage state
marriage of armyman
matifs
mesnyi
mighty mice
modulatively
mouthfeel
Muhuwesi
nut job
Näkkälä
oehler
oil-field-services
ooaa
over-grown
over-tedious
palletwood
particular leg
pedigristical
pre-emergence tillage
radial force
radiation matrix
relational realism
resident alien
return of premium-hulls
roggan (rocking stone)
roller vibrator
Rubus piptopetalus
self opening gate
shade-loving plant
shimianensis
sight angle
skeletal structure
slash pocket
stacked content
stochastic independence
szaboes
T-64
talk set
Thevetoside
thome
Timonius
top of flood
tracheotomies
turbo-electric locomotive
uredinous
USSTRATCOM
violetwood
Wallaston, Mt.
whisker reinforced metal
wombles
worm propeller
xanthochroia
zoltar