[网络] 多级离心泵;分段式多级泵

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(81) / 评论(0) 分类 英语每日一词

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(76) / 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(39) / 评论(0) 分类 VOA标准英语2012年(八月)

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(69) / 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(86) / 评论(0) 分类 英语单词荟萃

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(83) / 评论(0) 分类 学个词
学英语单词
a & h
a four-letter word
Adèguè
after-tax salary
airplane thrust weight ratio
alapas
angle pedestal
arch axis
assistant station super-intendent
audit reporting deadline
automatic control forced synchronization
Baby Fae
barium soap base grease
be dead - set against
Bit . & Wise
bungeye
cementation effect
chuppah
combined industrial and agricultural value of output
commercial naphthenic acid
compensating line
cooling-rate curve
corrosion inhibitor
crenula
cut the Gordian knot
Dalhousie, George Ramsay
designator storage word
direct beam
distance between compensating sides
donkey foal
eczema craquele'
edward george earle bulwer-lyttons
embryotrophe
epichlorhydrin
executries
expense of embassies and consulates
FGFR
flewelling
fluid mechanics in porous medium
forest flies
formatted file system
formulize
Gattermann diazo-reaction
go so far as to
Graves'disease
gravity fuel feed
hand operated duster
heart failure cell
Hikigawa
hot sauce
Hovden
industrial microcomputer system
integrated I/O adapter
intempestuous
island silicate
jet flooding
key-industry organism
labor law
lateralspace
lead phosphate
line feed character
low-tension coil
malignant pustule
master spark gap
maxinde
micrometeorogram
moronica
musculus viscerum
nanomachines
no-limit order
NTSADA
percent by weight
physician finger
pied-piper
points of accumulation
pozzolans
pre-oriented yarn
Purazolyl
quickprint
quiller-couches
roll-over moulding machine
samakonasana
single plate keel
social inequality
speed triange
Spelle
sphenoparietal suture
spot entry
ST_moving-in-particular-directions_bending-twisting-and-curving
state of rejection
subesophageal
subjugationist
subnational government
symmetric phase
tarragons
treeshrews
undergrow
water-bombing
white commissure
whole process
X-ray monochrometer
xylotrupes mniszechii tonkinensis