环管式燃烧室

美国动力公司研发提升五成油效对置活塞二冲程发动机 This little engine looks like it has only three pistons, but in fact, it has six, sharing only three cylinders. 这台小身材引擎看起来只有3个活塞,但事实上却有

发表于:2018-12-16 / 阅读(51) / 评论(0) 分类 VOA标准英语2016年(三月)

What Do Octane Numbers Mean? At the gas pump, you have a choice of octane numbers. 87? 93? Whats the difference? To explain octane numbers, lets take an imaginative leap into the internal combustion engine of a car. Inside the cylinders are combustio

发表于:2018-12-31 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest

This is Scientific Americans 60-Second Science, I am Cynthia Graber .This will just take a minute. How can we improve engines, inhalers and fire extinguishers? Maybe by copying a beetle. The bombardier beetle's name might scare off predators if they

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(四)月

This Internal Combustion Engine is 50% More Efficient 新型内燃机效率提高50% Internal combustion engines in cars may be on their way out, but experts agree it will take a few decades before electric-powered vehicles become dominant. Meanwhile

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2016年(三月)

水泥英文单词 矿渣水泥slag cement 硅酸盐水泥portland cement 主导产品leading product 年产量annual output 基准reference 体系system 完全燃烧complete combustion 不完全燃烧incomplete combustion 机械不完全燃烧mechanical incomplete combustion 化学不完全燃烧

发表于:2019-02-07 / 阅读(154) / 评论(0) 分类 英文语法词汇

Anirudh Sharma doesn't just want to pull harmful carbon from the air. He wants to offer a cheaper alternative to the exorbitant costs of ordinary printer ink. 阿尼鲁德夏尔马不仅想除掉空气中的有害炭物质,还希望创造一种更便

发表于:2019-02-13 / 阅读(55) / 评论(0) 分类 阅读空间
学英语单词
aggravated theft
anterior pterygoid cartilage
antibody-biotin-peroxidase-complex
autoalloploid
automatic spray washer
banker's commission
basset process
calcium metatetraarsenite
cedrat
coat armours
comprehension listening
computer control for hydropower station
contradance
cryptogram
D group
decorating technique
depth of a tree
deserve ill of
dipchick
document access model
dye the nail
echometrically
expansion drive
exterritorial
fan-marker beacon
fashionings
favorits
fenestrate membrane
floor pressure arch
fricatash
Ganewatta
Ganges Delta
General Gordon
goblinizing
graphic numerical control (gnc)
grease characteristic
ground current
grounding relay
health care deliveries
high-temperature steam
hood-top
horizontal geophone
Humboldt, Tk.
hunting jackets
hydrated halloysite
hypno
india rubbers
iodometric
Khoikhoi
Kings have long arms.
kuravanji (india)
lacquered sheet iron
lagerphones
Lake Thun
lamp frame
ledge excavation
less and less
long suit
mater
Mazzucato
mean crowding-mean density relationship
mediana laminae
missile orientation
orbital parameter
orthanilamide
palatopharyngolaryngeal paralysis
parallel oblique seismic reflection configuration
piezodialysis membrane
pot-tree
procedure of second instance
purdah
quop
recurrent flagellum
regular signalling link
reserve system
rewardeth
Schwellenangst
semiautomat
session connection synchronization
silicol heterocyclic compounds
slipper piston
slowliest
soft font
spare bunker
staple food grain
static biology
sunroses
Syracuse University
theoretical cost standards
Tractus mamillothalamicus
trips up
twin type
unqualifiedness
urine collection
us -haired
vexatious appeal
virtual learning environments
wannians
water dam
Yara, R.
Yokefleet