边界矿柱

barrier pillar的用法和样例:

例句

  1. As a result,the short hole shrinkage method with flat bottom structure was employed to mine the stope firstly,then stoping ore pillar by medium length hole caving method.后沟金矿采用平底结构浅孔留矿法先采矿房,后用中深孔崩落法回采矿柱,经两年多的生产实践,取得较好的技术经济指标。
  2. The results of numerical simulation showed that if the floor pillar is mined partially, the stress in pillars will sharply increase, so integral stability of mine may weaken.模拟结果表明,部分底柱抽采后,起关键支撑作用的底板横撑和矿柱中的应力有显著地变化,这可能破坏矿山整体稳定性。

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学英语单词
1-benzoxy-5-iodopentane
a matter of
Ackland
acrosyndactyly
Advanced Wireless Services
advisory area (ada)
aerial fog
Allylnoroxymorphone
Amerikay
amphicyonid
ancestor worship
Anthesteria
astragalomancy
ballooning instability
bar bounds
barometric price eadership
BGTT
blast through
boiler ash
bounded space
breakoff phenomenon,breakoff feeling
caustic lye
cerebral vesicle
Chaslands Mistake
chemotactic
concussion crack
Cor.
daytime resolution
deep etch process
deep torn grain
developed water
dibdin
displacement trasducer
door frame machinery
Elie Wiesel
English Midlands
evaporated black
exactify
exculpations
ExpressCharge
faceplants
fibrous protein
fixed bearing end
fontmap
general bonded debt
Gmelinka
heating and power center
hogga
impetigo herpetifomis
inductance coefficient
inertial navigation equipment
jacking oil
joons
Kdyne
Kendall's notation
lifting airscrew
Logan County
magnetoelastic delay line
main-shaft
man-machine communication equipment
matte paint
Mehrāwān
microdus laxiretis broth.
midway islandss
municipal boundary
occludes
outer solar system
pace tally
phasmidaes
pirlindole
plain and ball bearing
podzolic features
pompoleons
predilected
production-system notion
pseudomonas astragali(takim)savulescu
pulse-power output
radiator bottom header
refineability
regulator cell
roll ups
rurp
sense indicator
sound level recorder
southern white cedars
sperocylinder
squaresails
standard temperature and pressure
static state approach
statistical space
suffisantly
superheats
surface of constant pressure
Triunitarian
two-facednesses
two-variable data entry
vaccaria segetalis(neck.)grack
variable-speed planer
warm-air duct
water-sprinkled bosh
wing-tip tail light