套钻

block and tackle 滑轮组 boring 钻孔 circulate 注入,环流 coring bit 取芯钻头 cutting bit 钻头 cylinder 圆柱体 derrick 井架 drill pipe 钻杆 every so often 时常 geologist 地质学家 gusher 喷油井 mineral 矿物的 rotate 使

发表于:2018-12-02 / 阅读(115) / 评论(0) 分类 新概念英语第四册单词MP3
学英语单词
Achermer
after shrinkage
agaricin acid
alternation of crops
angle lap
antistreptolysin o
archamphiaster
artcare
backround noise
balanced profile
Bartels'spectacles
Bavarian splint
berry sugar
boresight camera
bottle ... up
buggin' out
business forms design
calorifier
cast basalt
cayuses
chainmen
circle mode
come to an agreement
condisciples
coneccaplypsis lucida
conversationality
copper melanterite
corrections officer
curtailest
dl-tetrahydroharmine
drill plate
dust-free operating space
effective tractive power
embolised
endwise movement of air
equatorial coordinate system
floating gantry
gas cell net
gibling
give out the results
Hamar Daban
home science
horizontal plan
HSS machine saw blade
immuno-fluorescence
impact sparking
knee pieces
laser lighthouse
law in action
legal organization
line for line copy
loadabilities
Menevian Age
Minnesund
multi-members
multichannel combustible gas detector
multiply-handicapped
mythicization
Neurotropan
non-metallic fibre-reinforced ceramics
nosily
ODSB
order of reactor
outmanoeuvreing
palmitoyl carnitine
palpita nigropunctalis
pass it on
pelopium
phenolplast
proton-bombarded
quartisternal
Raphidopus
rawlsians
rheological properties
Rosa alba L.
Roto drafter
Salmocid
scheduled air line
Shawneetown
shuvosaurids
signalling by hand flags or arms
stannylium
star-sign
stomach liking moistness and disliking dryness
SunView
swine influenza bacillus
taro
tatbestand
TBKU
tennis thumb
thwart-saw
toe-tappers
Uname
unqualified call
urban-mobility
ursigram
Vaccinium dunnianum
valt
vibration rotation spectrum
wan-thriven
yoke section