[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

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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

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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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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

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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.

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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(154) / 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.

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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(169) / 评论(0) 分类 英语口语
学英语单词
activation overpotential
adaptation energy
added items of expenditure
admiralty lien
alphabetarian
Ambert
Anoectochilus zhejiangensis
anomic aphasias
astronomical survey
ASWEX
bleakness
Brazilian Shorthair
bucky screen
buil
caustic salt
certificate of audit(or)
characteristic level of water
charrettes
chioniolphobous plant
Coccidium hominis
cochise
commercial online service
compliance capabilities
corner rolling
cppm
Decofluor
deejays
defining scalar
degustation
detector circuit
Deutsches Wirtschafts Patent
dockbridge
due care
embrittlement temperature
emery file
encroach upon sb's property
engineering noise
expected rate
family budget survey
family haloragidaceaes
floating point computation
Galibis
gas solubility factor
Gastrophilus
genus ptilonorhynchuss
gets a grip
goes before
Harur
hypothalamically
ieoh ming peis
indous sulfide
inter-view
inversion level
kedel
Kerikeri
liebestods
lochlan
manquelling
market value adjustment
melting-point determination
Metal Age
mineral turpentines
muscle-wastings
MYTILOIDA
neo Impressionist
offshore gas
oligoclonos
oocyte collection
overgrowths
oxidabilities
p-phosphanobenzoic acid
Peramiho
phragmocone
pleuristichous
pounced upon
pyroelectric relay
Qala Adraskand
ramial
rekeys
Repolka
Riggs, Bobby
rolled iron
second-level predicate
second-liners
Sedum morrisonense
selectboard
Senise
shickered
simiiforms
slab glass
sliding timber weir
soluthizon
Sonoma Peak
standard security
stuntness
system for reporting and filing
transducer signal input
venture-capitalists
vice-chairman
vice-marshals
well-studied
zanchius marmoratus