un. 直管式水管锅炉

[00:01.00]Module 2 Developing and Developed Countries [00:09.22]Vocabulary and Listening [00:11.93]Activity 3 Check the meaning of these words [00:16.06]Now listen to the conversation and tick the topics you hear. [02:34.36]Activity 4 Listen again ch

发表于:2018-12-04 / 阅读(167) / 评论(0) 分类 外研社新标准高中英语必修(1-4)

V@enook.cn Lesson 17 Bring me some jam. What are you doing,Mom? I'm making some sandwiches. I'll help.I'll cut the bread. OK,Katie. Oh,Katie!What a mess!Give me that knife,please. Bring me some jam,please. Mom!Dan's eating the jam! The jar's almost e

发表于:2018-12-13 / 阅读(81) / 评论(0) 分类 新世纪少儿英语

Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir

发表于:2018-12-24 / 阅读(30) / 评论(0) 分类 Scientific American(五)月

The Norwegian people catch herring in nets, then they salt, smoke, or dry them to make sure they will keep almost forever without spoiling. 挪威人用网打捞鲱鱼,然后,用盐腌制、用烟熏制、或晒干风干,用各种方法保存鲱鱼

发表于:2018-12-28 / 阅读(50) / 评论(0) 分类 美国学生世界地理教材

The more you know about the various heating systems that are available on the market today, the better able you will be to choose the best one for your home. Obviously, your main goal (besides being comfortable), is to have a heating and air conditio

发表于:2019-02-04 / 阅读(86) / 评论(0) 分类 实用英语

There would soon be an explosion; the kettle would be burst open. It is in this way that boiler explosions are often caused. When there is too much steam in a boiler, and it cannot get out, it presses against the sides of the boiler, until at last th

发表于:2019-02-07 / 阅读(80) / 评论(0) 分类 英国学生科学读本
学英语单词
a reach of the imagination
absoluted profit
actual ground zero
add line numbering
affine ratio
Albenga
amount of foreign exchange oversold
automatic transistor test set
be dying
biparametric
Birta
bismuth nitrate
bogoes
boxlike casting table
cabotinage
cashable
Chandel
checks this out
chiches
Chinologist
cohabs
compass transmitter
controlled sharing
cordwood saw
cyclic torque
defense cells
drag strike
effective temperature
electric(al) ignition
electronic cadaver
electronic semiprecision winder
epistles of paul the apostle to the philippians
epitheliogenetic
Ernst, Max
fdi (field disposition instruction)
feasible capacity
fiction writing
flat-plate structure
forespin
genus sardinopss
geo-demographics
graphechon storage tube
hedjazs
helical-flow turbine
hemipneustic
Hewlett disk insulator
Hydroxymethylstarch
impact shear strength
internal force
john mccarthy
junior colleges
laryngocrisis
launchways
local management of schools (lms)
massive anode
mesotype (natrolite)
microscopic reversibility
monocultural
motti
n-foymylsarcolysin
ngapi
nicholas vs
night-creams
Noto Gouye Diame
number of railway staff and workers
oil/water interface
Old Scone
panspermy
Pedicularis flava
Picea crassifolia
platform weigher
polyoxyethylene fatty acid esters
potter's wheels
precise leveling staff
primary force standard machine
quadrivalent anion
raconteur
raduliform
replacement property
Rosa sertata
rubber treated
running requirement
scheds
scientific authority
soul-sleeper
spiramycins
strategic air arm
synapton
takfirs
to rock
topographically
tourmaline tong
transfenestrate
tsarisms
two-liquid cell
use rate
Ushetu
veilfair
venerid
verification of forecast
wagemann
widening of palpebral fissure