两级泄压循环

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发表于:2018-12-03 / 阅读(188) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(237) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(194) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(243) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(207) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(236) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(179) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(231) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(263) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(341) / 评论(0) 分类 step by step 3000 第三册

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发表于:2018-12-03 / 阅读(227) / 评论(0) 分类 step by step 3000 第三册

Water Cycle 水循环 All the oceans on earth are salty, while inland water is typically fresh. How does water become salty? We'll answer a listener's question -- today on Earth and Sky. DB: This is Earth and Sky. We recently visited the Austin Childr

发表于:2018-12-07 / 阅读(217) / 评论(0) 分类 (科普英语)Earth and Sky

00:05.69]rainforest [00:07.47]n.热带雨林 [00:09.25]timber [00:10.78]n.1.木材 2.树林 [00:12.30]economic [00:13.92]a.经济(上)的 经济学的 [00:15.54]local [00:17.02]a.地方性的 当地的 2.局部的 [00:18.49]deforestation [00:20.17]n.开发森林 [00:21.84]conse

发表于:2018-12-11 / 阅读(212) / 评论(0) 分类 大学英语自学教程上

Fire Cycle 火灾规律 The El Nino phenomenon of 1997-98 unleashed torrential rain in some parts of the world, while creating abnormally dry conditions in others. And it sparked record numbers of wildfires. Learn more about climate and wildfire -- toda

发表于:2019-01-02 / 阅读(319) / 评论(0) 分类 (科普英语)Earth and Sky

This the VOA Special English Development Report. Picture a bicycle with a two-wheeled carriage in place of a back tire. India has millions of these cycle rickshaws. The operators are called pullers. They ride through the streets pulling passengers a

发表于:2019-01-11 / 阅读(197) / 评论(0) 分类 VOA慢速英语2009年(五)月

The government said that work on the first seven cycle tracks which were promised earlier this year will start in the summer. This will cost $9 million. Another $41 million will be spent later. Together these cycle tracks will be called The Great Rid

发表于:2019-01-27 / 阅读(251) / 评论(0) 分类 新西兰英语

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发表于:2019-01-27 / 阅读(203) / 评论(0) 分类 粉红猪小妹第二季

Classical music fans in Beijing are now embracing a massive work-the complete cycle of Beethoven's 9 symphonies with The Deutsche Kammerphilharmonie Bremen. Paavo Jarvi, an internationally famous Estonian conductor, is the artistic director of the or

发表于:2019-02-14 / 阅读(269) / 评论(0) 分类 2017CRI中国国际广播电台

[00:25.76]offshore 海面的 [00:29.80]derrick barge 吊杆起重驳船 [00:35.57]decompression chamber 减压舱 [00:40.79]suit 衣服 [00:45.22]英文原文 [00:46.77]As a commercial diver in the offshore oil fields of the Gulf of Mexico, [00:50.52

发表于:2019-02-15 / 阅读(170) / 评论(0) 分类 英语笑话(MP3+文本)

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发表于:2019-02-26 / 阅读(226) / 评论(0) 分类 step by step 3000 第三册
学英语单词
1-propynyl
above one's head
Ackeret theory
air sounding
almoth
anthelvencin
asbestos pulp
astromagnetism
aversion
batyl isostearate
Beysug
bionicss
blanketweed
brandishest
bundled tendon
cadmium metallurgy
carpenter stopper
cat cafes
closedowns
codifies
cognitivity
color emissivity
construction funds
coolant enthalpy
cost-recovery basis
counterweighted take-up
crew compartment
daschle
deflection of radiation
depressomotors
deshells
director of tournament
el-medina
electromagnetic energy loss
electronic purses
equilibrium of moisture content
fading machine
fator
fiber - optic cable
flavius theodosiuss
gyving
heavy snow
Hemophilus aegyptius
I'll say!
infrared search and track system
input/output dump program
interpretation criteria
intrablock estimates
Isomo-20
Jumbo certificate
Kamal
kerla
komadugu yobe (komadougou yobe)
Loridine
mahlmann
maldef
maraboutism
media of communication
mercerizing mangle
minky
mixing depth
myeloid biopsy needle
nadors
NRZ
nucleus reticularis gigantocellularis
nwfsc
oil field chemical
Palm Springs
parent family
pelvic indices
philabeg
pituitary marginal network
Poinsot, Louis
polysulfone
pramukh
real time physical market
realignment of exchange rate
remittance by migrants
right-hand side production
roedell
Samolus
sarolysin
sense epithelium
sics
Sophron Of Syracuse
stazione
steaming up
strain gauge transaction element
stringbean
superflows
superintense
tenfan
three movement form
timahoe
Tunja
two-stage Aitken estimator
universal light electrical colorimeter
vasculature
What a lark
worried about
yakub